Forensic case profiling aspects on multiple homicides from the Cologne-Bonn metropolitan area 1985-2000

The medicolegal and subsequent criminologic interpretation of forensic and pathological findings in cases of homicide makes up an important tool of case profiling. In a retrospective study of 26 cases of "multiple homicides" involving 31 perpetrators (30 males, 1 female, mean age 33.5 years) and 73 victims (33 males, 40 females, mean age 36 years, 68 fatalities, 5 survivors), autopsy reports and prosecution authorities' files were investigated with regard to individual characteristics of victims and offenders, circumstances as well as mode of commitment. The major aim of this study was to comprehensively elucidate and characterise relevant forensic and criminologic features, which may gain importance for forensic case profiling. Forty-six victims were found in the close social environment of the perpetrator and 45 homicides were committed either in the victim's, the perpetrator's or the shared domicile. The main motives included concealment of a crime (n=13), personal conflicts/domestic arguments (n=7) and greed (n=12). The relevant injuries with regard to the cause of death were attributable to sharp force (n=13), blunt force (n=7), gunshot wounds (n=24), ligature strangulation (n=3), smothering (n=5), fire/carbon monoxide (n=4) and combined impacts (n=11). In 15 cases, so called defence injuries were found. In 5 victims a post-mortem blood alcohol concentration >1.5 g/l was determined. In six perpetrators, a severe psychiatric impairment of juridical responsibility was ascertained (Section 20 German criminal code, n=2, psychosis; Section 21 German criminal code, n=4, acute alcohol intoxication). As far as conviction data were available, 27 crimes were juridically assessed as murder, 12 as manslaughter and one as bodily harm with fatal consequences.     

Multiple homicides--forensic and criminologic aspects

The interpretation of medicolegal findings in homicide is an important tool of case profiling (so-called "operative case analysis"). In 17 cases of "multiple homicides" involving 22 offenders (21 males, 1 female; mean age 33 years) and 45 victims (21 males, 24 females; mean age 35 years; 41 fatalities, 4 survivors), the autopsy reports and the prosecution authorities' files were retrospectively analysed with regard to individual characteristics of perpetrators and victims, circumstances, and mode of commitment in order to comprehensively characterise relevant forensic and criminologic aspects. 31 victims were found to belong to the close social environment of the perpetrator, and 32 killings were committed in the victim's, perpetrator's or the joint flat. The main motives included greed (n = 7), personal conflicts (n = 5) and concealing of a crime (n = 9). The relevant injuries were attributable to gunshot wounds (n = 13), sharp force (n = 11), blunt force (n = 3), ligature strangulation (n = 3), smothering (n = 6), fire/carbon monoxide (n = 2) and combined impacts (n = 7). In 12 victims, defense injuries were found. The blood alcohol concentration exceeded 1.5 g/l in 5 victims. In 5 offenders, a psychiatric impairment of juridical responsibility was assessed (and 20 German criminal code, n = 1, psychosis; and 21 German criminal code, n = 4; acute alcohol intoxication). As far as data were available, 16 crimes were judged as murder, 12 as manslaughter and one as physical injury with fatal outcome.     

Murder-suicides involving children: a 29-year study

Review was undertaken from February 1969 to January 1998 at the State forensic science center (Forensic Science) in Adelaide, South Australia, of all cases of murder-suicide involving children <16 years of age. A total of 13 separate cases were identified involving 30 victims, all of whom were related to the perpetrators. There were 7 male and 6 female perpetrators (age range, 23-41 years; average, 31 years) consisting of 6 mothers, 6 father/husbands, and 1 uncle/son-in-law. The 30 victims consisted of 11 daughters, 11 sons, 1 niece, 1 mother-in-law, and 6 wives of the assailants. The 23 children were aged from 10 months to 15 years (average, 6.0 years). The 6 mothers murdered 9 children and no spouses, with 3 child survivors. The 6 fathers murdered 13 children and 6 wives, with 1 child survivor. This study has demonstrated a higher percentage of female perpetrators than other studies of murder-suicide. The methods of homicide and suicide used were generally less violent among the female perpetrators compared with male perpetrators. Fathers killed not only their children but also their wives, whereas mothers murdered only their children. These results suggest differences between murder-suicides that involve children and adult-only cases, and between cases in which the mother rather than the father is the perpetrator.     

A decade of pediatric homicide: a retrospective study at the Medical University of South Carolina.

More than 3 million children are abused and/or neglected each year in the United States. Unfortunately, a significant percentage of these cases result in homicide by child abuse or child neglect. Causes of death range from blunt force trauma and shaking to asphyxia to immolation. We retrospectively reviewed all pediatric forensic cases referred to the Medical University of South Carolina Forensic Pathology Section over the past 10 years, from January 1986 to December 1995. Of these, we looked only at children < or =5 years of age. The majority (342 cases, 69%) of these deaths were classified as natural, 96 (19%) as accident, and 60 (12%) as homicide. Of the homicides, we examined the cause of death; age, gender, and race of the victim; relationship to the perpetrator; time interval between injury and death; and the initial history given as to the cause of the injury. The cause of death fell into nine categories, the number one category being head trauma. Forty-five percent of the homicides were by head trauma, 12% by abdominal or body trauma, 25% by asphyxia (with half of these due to drowning), 10% by carbon monoxide poisoning or thermal injury, and the remaining 8% involving cases of neglect, stabbing, and poisoning. The majority of the homicide victims were male (67%) and black (67%). Forty-six percent were < or =1 year of age. Approximately 25% of the homicide cases were designated as shaken baby syndrome (SBS). In 97% of the cases, the assailant was known to the victim and was a family relative in 77%. Sixty-three percent of the assailants were female and 45% of the assailants were male; in 12%, the assailants were both parents, and in 1 case, the assailant remains unknown. Of the asphyxia deaths, 87% of the assailants were female. The time interval between injury and death ranged from minutes to hours in most cases to months in cases of repeated abuse and chronic injury and sequelae. The time interval between injury and the onset of symptoms remains unknown in most cases due to inconsistencies in the history and lack of credibility of the caretaker. The most common initial history given was "a fall" (20%). We report our findings of a decade of pediatric homicides to increase awareness of the common scenarios and case histories, demographics of the victims, causes of death, and perpetrators of pediatric homicide.     

Perpetrator related analysis of intentional homicides in the Genf canton (1971-1990)

A retrospective offender-related analysis was conducted on all deliberate homicides committed in the canton of Geneva between 1971 and 1990. The cases analyzed included 97 convicted single perpetrators or accomplices and 93 victims. 21 further homicides remained unsolved. 86.6% of the offenders were male; foreigners were over-represented in comparison with Swiss citizens. The average age was 35 years. In a majority of the cases the offender and the victim were partners, came from the same family or were acquainted with each other. Guns or knives were the most frequently used weapons. The criminal offences tried in Geneva were evaluated also with regard to their legal qualification.     

Victim-related aspects of homicide of elderly persons in the catchment area of the Bonn Forensic Medicine Institute]

The present study examines the circumstances of 19 homicides involving 10 males and 9 females 60 years of age or older, which were submitted to the Bonn Institute of Forensic Medicine for autopsy. The incidence of these homicides sharply decreased by age. The causes of death were blunt force injuries alone or in combination in 8 cases and strangulation in 5 cases, thus reflecting the importance of the direct physical assault. Defense wounds were found in only 6 cases. The deceased unexceptionally suffered from diseases of the cardiovascular or respiratory system. Robbery or family/partner conflicts accounted for the vast majority of motives. Both, the most common location for homicide being in the victim's own residence and the high proportion of neighbours, acquaintances and relatives among the assailants underline that violence in the close social context endanger the elderly more than conventional violent street crimes. In the victims of homicide the elderly were represented in a smaller proportion than their percentage in the population at large. Over the 8 years of the present study there was no increasing tendency in the homicide rate in the elderly population.     

The violent female perpetrator and her victim

The aim of the present study was to examine the relationship between violent female offenders and their victims as well as the putative differences in the motives and specific psychological factors among three groups of female offenders: women who have victimised someone closely related to them, those who have victimised an acquaintance and lastly women who have victimised a stranger. More than half (N=61) of all violent female offenders hospitalised or incarcerated in Finland during the year of study were interviewed and assessed by Structured Clinical Interview II for DSM-IV (SCID-II) and Hare's Psychopathy Checklist-Revised (PCL-R). In 34% of the cases the victims were persons close to the offender, in 41% the victims were acquaintances and in 25% strangers. The victims in homicide offences were more often both male and closer to the perpetrator than in assault offences. Although motives were related to interpersonal problems, self-defence and long-term physical or psychological abuse were reported by only a few women, even for the small proportion of women whose victims were intimate partners. The most frequent reason for offences stemmed from confrontational situations in connection with alcohol use. Women who victimised acquaintances and strangers were also more likely to have a history of criminality and substance abuse than women who victimised those in close personal relationships. The latter were also more likely to have an antisocial personality disorder (PD) and psychopathic characteristics. There were, however, no significant differences found between those who had experienced physical or psychological abuse in childhood or adulthood and those who had no adverse experiences. These findings suggest that the violent behaviour by females leads more often to the death of the victim, when the victim is closely related to the perpetrator. The commonly-held view that violent female offending occurs primarily as a consequence of precipitation by the victim was not supported.     

Injuries due to deliberate violence in areas of Denmark. IV. Alcohol intoxication in victims of violence. The Copenhagen Study Group

A material of 1316 victims of deliberate violence was collected prospectively during a one year period in three Danish emergency wards covering a provincial/rural area and two metropolitan areas. The frequency of alcohol intoxication was determined. Forty-one percent of the patients were intoxicated. The highest frequency was found in male victims, in the provincial/rural area, in restaurants or their vicinity, in the age group 35-49, during evenings and nights and in May. It is difficult to indicate specific preventive measures. However, a more restrictive attitude is suggested with regard to serving alcohol to intoxicated persons in restaurants.     

Fatal firearm wounds: a retrospective study in Bari (Italy) between 1988 and 2003

Fatal gunshot injuries are routinely encountered by forensic pathologists practicing in Southern Italy. Bari, the capital city of the Italian region known as Apulia, is a leader with regard to the number of firearm deaths in Italy. This is mainly attributable to local organized crime groups which control a variety of illicit activities. This retrospective study analyzes autopsy data related to fatal firearm wounds, handled by the Institute of Legal Medicine [University of Bari], between 1988 and 2003. A total of 717 cases were selected and classified as follows: firearm homicides (634); suicides (82); and accidental death (1). A significant number of variables have been reviewed such as: month in which the violent event took place; the victims' nationalities; gender and age of victims; site and number of entrance wounds; weapon type used; and manner of death (i.e. homicide; suicide; accidental). Analysis has revealed a homicide versus suicide ratio of almost 8:1. Victims were mostly male with a lower mean age than in other similar studies. Homicides with multiple gunshot wounds were more common than ones with single entrance wounds. For example, in one case, 30 entrance wounds were identified in the murder of a gang boss. Four suicides with two entrance gunshot wounds were identified. Handguns were the most frequently used weapon in all groups (i.e. homicide, suicide, and accidental), with 7.65 mm and 9 mm being the most common calibres. This study revealed a very low incidence of suicide among females. Mental and other types of illness, as well as financial stress were the apparent motives which prompted most of the suicide victims. The homicide cases described were most often related to continual, ongoing fights among local criminal gangs (75%).     

Hate,Threats, and Violence. A Register Study of Persons Suspected of Hate Crime

This article focuses on individuals suspected of hate crimes with xenophobic, Islamophobic, and homophobic motives. The objective is to fill a gap in the knowledge left by existing research, which has primarily focused on victims and definitional problems. This article's genuine contribution to new research is the comparative perspective and the study of co-offending and specialization in offences for persons suspected for hate crimes. To find persons suspected for hate crimes, register data relating to hate-crime-motivated assault and unlawful threats/molestation offences from 2006 have been used. The study is based on a total of 1,910 offence reports together with information from the Registers of Suspected and Convicted Offenders for 558 persons suspected for hate crimes. Xenophobic hate crimes are over-represented in the material by comparison with homophobic and Islamophobic hate crimes. In the reports that have information about the relation between victim and perpetrators, it is more common for the perpetrators to be known than unknown to the victims. In cases where a suspected person has been identified, males are in a clear majority. Those suspected of homophobic hate crimes have the lowest mean age. Only a small number of offence reports include information on suspected co-offenders. Fifty-five per cent of the suspected people have prior registered convictions. It is very uncommon for them to be specialized in violent offences or unlawful threats/molestation, however. It is not possible to generalize the results to perpetrators of hate crimes, because 70% of the offence reports did not have information of suspected persons.     

Pedicide revisited. The slaughter continues

Pedicide, a reliable indicator of interpersonal violence and severe child abuse, has risen in Cuyahoga County (Metropolitan Cleveland), Ohio, U.S.A., over the past quarter of a century, paralleling or exceeding the increase in adult homicide. However, neonaticides have decreased, a phenomenon mirroring a marked fall in fatal maternal criminal abortions. As previously noted, modalities of lethal violence in pedicide are significantly determined by victim age. An increasing proportion of pedicide victims, like their adult counterparts, have been killed by firearms. Pedicide victims are much apt to be killed by close relatives than are adult homicide victims. Similarly, perpetrators of pedicide are much more likely to commit suicide than are their adult-slaying counterparts. Fatally "battered" children, the victims of multiple, metasynchronous traumata, represent a significant fraction (22%) of the overall pedicide population and constitute a segment of the victims with a potential for being saved by intervention. Overall, pedicide remains a challenge to our profession and a threat to society as a whole.     

Homicide-suicide (dyadic death), homicide, and firearms use in England and Wales

Homicide-suicide forms a distinct form of homicide. An analysis of cases in the Yorkshire and Humberside region of England between 1991 and 2005 revealed 37 episodes with 42 victims. Previous studies have shown a high rate of use of firearms. Over the last 2 decades firearms legislation has become more restrictive. In this study all assailants were male, mean age 46.8 years. The commonest method of homicide was strangulation (36%) with 16% killed by firearms. This is a reduction compared with a previous study in the same region. All killers who shot their victims killed themselves with firearms. There were no multiple killings with firearms in this study and no stranger killings. Hanging was the commonest method of suicide. During the same period the use of firearms as a method of homicide increased in England and Wales with handguns, the most common weapon. Nationally, suicide after homicide has remained at a similar rate over the half century and is an uncommon phenomenon. Firearms use remains low in both homicide and homicide-suicide episodes in England, and further analysis is required to determine changes in patterns of killing.     

Morphology and phenomenology of death by kicking (II)

In the years from 1982 to 1995, 20,504 autopsy cases were examined at the Departments of Forensic Medicine in Hamburg and Greifswald. In 103 cases death was caused by kicking. In the Greifswald area, the occurrence of kicking as the cause of death could be demonstrated in 68 cases (30% of all homicides), which is in contrast to the observations in Hamburg, were kicking amounted to only 2.5% of the homicides. Most of the victims (average age 44 years) were under the influence of alcohol (mean blood alcohol concentration 1.75/1000), and most were on social support. The victims often showed other signs of blunt trauma such as blows with the fist and strangulation. In a few cases, cutting and stabbing wounds were also found. In the majority of cases death was due to severe haemorrhages and aspiration of blood in addition to the direct effects of the head injuries. The crimes were committed by one person in 46 cases, two in 20 and three in 4 cases. The perpetrators (average age 27.6 years) were always younger than the victims. Case reports show that fatal kicking was mostly triggered by relatively trivial arguments. None of the incidents were preplanned by the perpetrators. In contrast to an expected higher incidence of kicking deaths in the urban area of Hamburg, these crimes occurred ten times more frequently in the rural area of Greifswald.     

Hanging: suicide or homicide?

Death by Hanging: Suicide or Homicide. Six cases of homicidal hanging and murder presented as suicidal hanging are recorded. Suspension followed strangulation by ligature or throttling and head injuries in 4 cases. Distinction between homicide and suicide was easy in 5 cases: two of the perpetrators gave themselves up to the police, one committed suicide immediately after he had hanged his 15 year old daughter; in two cases tracks of blood, heavy injuries of the victims, and traces of robbery were obvious. Unless the victim is an infant or an adult person incapacitated by drink, disease, or drugs, or unless there are several assailants murder is difficult to accomplish. Distinction between murder and suicide may be impossible by an examination of the body alone. Detailed investigation of the scene, reconstruction of the position of the suspended body, examination of the rope, the knots, the direction of the fibres on the rope may serve to discover homicidal hanging. - Compared to suicidal hanging homicide has a frequency of about 1% in our autopsy material. However, we cannot estimate the number of obscure cases.     

Homicide‐Suicide in Konya,Turkey Between 2000 and 2007*

Abstract: Homicide followed by the suicide of the murderer is a relatively rare lethal incident in which an individual kills another person and subsequently dies by suicide. Cases involving a homicide and a suicide in which death examinations and autopsies were performed at The Konya Branch of the Forensic Medicine Council between 2000 and 2007 were retrospectively investigated. During the studied time period, there were 10 homicide‐suicide cases identified with 10 perpetrators killing 12 victims. Nine of the perpetrators were men and eight of the victims were women. The precipitating motive was an impending divorce in four of the cases. Two perpetrators were described as severely depressed, one had a diagnosis of antisocial personality disorder, and one was a pedophile who had reactive depression. Firearms were used in eight of the homicide cases and seven of the suicides. Constricting the use of firearms may reduce/prevent future homicide‐suicide cases, as it is the most commonly used method to carry out homicide‐suicides.     

Attitudinal Acceptance of and Experiences with Intimate Partner Violence among Rural Adults

There is little research on the associations between acceptance of and experiences with intimate partner violence (IPV) in rural samples, which may be different from associations in urban areas due to the higher prevalence of IPV in rural areas and the social and physical environment issues related to seeking help. The purpose of our study was to determine the proportion of participants who reported accepting male- and female-perpetrated IPV and the associations between experiences of IPV and acceptance of IPV. Data were collected from a cross-sectional survey of rural residents in one Midwest state. Approximately 4 % of participants reported it is ever acceptable for a male to hit his partner. Approximately 20 % of males and 12 % of females reported it is ever acceptable for a female to hit her partner. A higher proportion of individuals who were victims or perpetrators of IPV reported accepting retaliatory IPV (i.e., when partner hits first) perpetrated by individuals of their own gender. This finding suggests the previously reported high rates of bidirectional IPV in rural areas may be fueled by this acceptance of physical retaliation. Interventions to break this cycle of IPV may be guided by qualitative research into the specific ways the rural environment contributes to acceptance of retaliatory aggression.     

Murder-suicide in New Hampshire, 1995-2000

Combined murder-suicide is defined as homicide(s) followed by the perpetrator's suicide within 1 week of the homicide(s). This phenomenon is observed worldwide with generally similar incidence rates. The authors report data from New Hampshire, a population distinguished from those in previous United States studies by its location, racial homogeneity, nonurban character, and low homicide rate. Sixteen murder-suicide events occurred in New Hampshire between October 1995 and October 2000. This represents an incidence of 0.26 per 100000 person-years, a rate similar to previously reported values. Murder-suicide events accounted for 14.7% of all homicides in the state, higher than previous studies but not unexpected in view of the state's lower homicide rate. Most perpetrators were male (94%), and most victims were female (88%), often in a spousal or consortial relationship. Firearms accounted for the majority of deaths. Various cofactors are examined, and a comparison of two recently proposed classification systems is discussed.     

Dismemberment and mutilation (2)

31 cases of criminal dismemberment or mutilation were investigated in the period from 1959 to 1987 at the Institute of Forensic Medicine in Hamburg. With regard to all legal autopsies the average frequency was about 1:500. A distinct increase of the number of cases is noticeable within the last years; i.e. 1984 there were 6 victims. Our study enclosed the autopsy findings, the police investigations and the available court records. 12 cases were classified as defensive and 14 cases as offensive dismemberment of bodies; 2 cases of necrophilous dismemberment occurred after stealing the corpse and 3 victims were killed by intravital decapitation or mutilation. The victims were of all ages, but mainly between 20 and 60 years old; 22 of them were female and 9 male. 23 perpetrators could be identified; 18 of them were male and 5 female, most of them were between 30 and 40 years of age. The psychiatric expertises classified 17 of the perpetrators as "normal", 3 as abnormal and 3 as psychotic. Many morphological and criminological details concerning victims, perpetrators, used instruments for killing and dismembering, elimination and identification of the dismembered bodies and some juridical aspects are presented.     

Do homicide rates increase during weekends and national holidays?

In the UK there has been limited research examining temporal patterns of homicide. To our knowledge, no studies have linked patterns of homicide to the mental health characteristics of the perpetrator. The study examined a national consecutive case series of homicide offences committed between January 1996 and December 2015 in England. Clinical data were collected by the National Confidential Inquiry into Suicide and Safety in Mental Health (NCISH). During this period 10,563 people committed a homicide. The offences were more likely to occur at the weekend, mostly on a Saturday. Weekend homicides were associated with: perpetrators under the age of 25, males and alcohol consumption. Homicides increased markedly on New Year’s Day, and public holidays. Those with a history of mental illness more commonly committed homicide during weekdays, suggesting a different pattern of offending. No change in pattern was found after licensing hours were extended in 2005 to allow 24-h licencing for the sale of alcohol. A public health approach should focus on educating young people on the health risks associated with alcohol, promoting responsible drinking and conflict avoidance, specifically on special events and at weekends.     

Homicide in Alabama: an analysis of urban, suburban and rural murders in the Deep South

Eleven hundred forty-four (1144) homicides occurring in Alabama, U.S.A. during a 2-year period are presented and analyzed according to the demographic parameters of the victims, location in urban, suburban, or rural community, type of homicide based on a medical examiner's classification, presence of drugs, weapon employed and other factors. Urban dwellers, Blacks and males are found to be at high risk. Alcohol is much more prevalent than other drugs in homicide victims. Although the handgun is the weapon most commonly used throughout the state, in the rural regions the longgun is used almost as often. The difficulty of making valid comparisons with other homicide studies is discussed and the establishment of a uniform classification of homicides urged.