Vicious dogs part 2: criminal thinking, callousness, and personality styles of their owners

Every year over 885,000 dog bites require serious medical attention. Based on human injury and insurance claims, six dog breeds were designated as "vicious" (Akitas, Chows, Dobermans, Pit Bulls, Rottweilers, and Wolf-mixes). This study was conducted to expand on previous research examining antisocial tendencies and personality styles of people choosing to own vicious breeds. Seven hundred and fifty-four college students completed a questionnaire assessing type of dog owned, criminal thinking, callousness, personality, alcohol usage, and deviant lifestyle behaviors. Vicious dog owners reported significantly higher criminal thinking, entitlement, sentimentality, and superoptimism tendencies. Vicious dog owners were arrested, engaged in physical fights, and used marijuana significantly more than other dog owners. However, the homogeneous sample utilized could impact the generalizability of these findings. Choosing to own a vicious dog may be a "thin slice" indicator of more antisocial tendencies.     

AutoMate Express™ forensic DNA extraction system for the extraction of genomic DNA from biological samples

Abstract: The AutoMate Express? Forensic DNA Extraction System was developed for automatic isolation of DNA from a variety of forensic biological samples. The performance of the system was investigated using a wide range of biological samples. Depending on the sample type, either PrepFiler? lysis buffer or PrepFiler BTA? lysis buffer was used to lyse the samples. After lysis and removal of the substrate using LySep? column, the lysate in the sample tubes were loaded onto AutoMate Express? instrument and DNA was extracted using one of the two instrument extraction protocols. Our study showed that DNA was recovered from as little as 0.025 μL of blood. DNA extracted from casework‐type samples was free of detectable PCR inhibitors and the short tandem repeat profiles were complete, conclusive, and devoid of any PCR artifacts. The system also showed consistent performance from day‐to‐day operation.     

Methamphetamine use in nonurban and urban drug court clients

Population-based surveys suggest that methamphetamine use and abuse may be rising in the United States. However, little is known about methamphetamine use in eastern sections of the United States, particularly nonurban areas. The purpose of the present study was (a) to explore reported methamphetamine use and its correlates among Kentucky drug court clients and(b) to determine whether differences exist between methamphetamine users by drug court location. Of the 500 drug court clients surveyed, approximately 32% n=161) reported lifetime methamphetamine use. Methamphetamine users and nonusers differed in their drug-use profiles, self-reported criminal history, and number of criminal offenses. Nonurban and urban methamphetamine users differed in their drug-use profiles, psychological functioning, self-reported criminal history, and number of criminal offenses. These results suggest that differences exist between these populations and clinicians, and criminal justice officials may need to consider these differences when planning treatment and rehabilitation strategies.     

Hearsay Versus Children's Testimony: Effects of Truthful and Deceptive Statements on Jurors’ Decisions

Researchers and courts are focusing increasing attention on the reliability of children's out-of-court statements, especially in relation to trials of child sexual abuse. The main goal of this study was to investigate the effects of presentation of children's out-of-court statements (e.g., hearsay) on jurors' perceptions of witness credibility and defendant guilt, and on jurors' abilities to reach the truth. Child participants experienced either a mock crime or were coached to say they experienced the crime when in fact they had not. During elaborate mock trials involving community member jurors, children's testimony was presented either: (1) live, (2) on videotape, or (3) via a social worker. Analyses revealed that testimony format directly influenced jurors' perceptions of child and social worker credibility (e.g., children were perceived as less likely to provide false statements if they testified live) as well as jurors' sympathy toward the child, all of which then predicted jurors' confidence in defendant guilt. Jurors had difficulty discerning accurate from deceptive child statements regardless of testimony format. Implications for psychology and the legal system are discussed.     

The direct detection and identification of staining dyes from security inks in the presence of other colorants, on currency and fabrics, by laser desorption mass spectrometry

Laser desorption mass spectrometry (LDMS) is useful for the direct desorption and MS analysis of dyes off materials such as paper. Here it is shown that staining dyes, produced by currency degradation devices, such as those used by financial institutions or armored transport companies, can be detected by LDMS. These staining dye packs are commonly used in bank security programs to deter theft or unauthorized removal of currency from teller stations or from ATM cash cassettes. Working automatically, these technologies release a security dye to degrade the surface of the notes and possibly mark the assailant involved in the attack. These dyes can be characterized and identified directly from paper currency, and from fabrics, and uniquely identified in the presence of other dyes that are used in the printing and dying of such materials, by LDMS. In these experiments, no extraction step is required. A pulsed UV laser directly irradiates a paper or fabric sample--colorants are desorbed, ionized and detected using time-of-flight MS. Results shown here suggest that dyes such as Basic Red 1:1 and Basic Violet 11:1 are used in such devices.