The work of Canadian political staffers in parliamentary caucus research offices

Since 1970, recognized political parties in the Canadian House of Commons have received funding for caucus research offices. Staffed by political partisans, research offices provide policy, communications, research and administrative support to party leaders and their parliamentary caucuses. This research note examines the evolving organization, work and function of these offices. It demonstrates, first, that the tendency towards centralization, evident in Canadian politics for decades, is clearly reflected in research offices’ primary support for leaders rather than individual caucus members. Second, research offices are integral to parties’ strategic communications and marketing efforts, and this, especially in government, often eclipses their policy contribution. Third, while the government party views caucus researchers as a useful supplement to public service and ministerial office resources, opposition parties rely heavily on their caucus research offices as their dominant source of staff capacity.     

A systematic review of drug court effects on recidivism

Drug courts have been proposed as a solution to the increasing numbers of drug involved offenders entering our criminal justice system, and they have become widespread since their introduction in 1989. Evaluations of these programs have led to mixed results. Using meta-analytic methods, we systematically reviewed the extant evidence on the effectiveness of drug courts in reducing future criminal offending. Fifty studies representing 55 evaluations were identified, including both experimental and quasi-experimental comparison group designs. The overall findings tentatively suggest that drug offenders participating in a drug court are less likely to reoffend than similar offenders sentenced to traditional correctional options. The equivocation of this conclusion stems from the generally weak methodological nature of the research in this area, although higher quality studies also observed positive results. Furthermore, the evidence tentatively suggests that drug courts using a single model (pre- or post-plea) may be more effective than those not employing these methods. These courts have a clear incentive for completion of the drug court program.

The effects of chemical and heat maceration techniques on the recovery of nuclear and mitochondrial DNA from bone

Forensic anthropologists use a number of maceration techniques to facilitate skeletal analysis of personal identity and trauma, but they may unwittingly eliminate valuable DNA evidence in the process. This study evaluated the effect of 10 maceration methods on gross bone structure and the preservation of DNA in ribs of 12 pigs (Sus scrofa). A scoring system was applied to evaluate the ease of maceration and resulting bone quality while DNA purity was quantified by optical densitometry analysis, followed by polymerase chain reaction (PCR) amplification of three mitochondrial and three nuclear loci. The results demonstrated that while mitochondrial DNA could be amplified for all experiments, cleaning treatments using bleach, hydrogen peroxide, ethylenediaminetetraacetic acid/papain, room temperature water and detergent/sodium carbonate followed by degreasing had low DNA concentrations and failed to generate nuclear PCR products. In general, treatments performed at high temperatures (90 degrees C or above) for short durations performed best. This study shows that traditionally "conservative" maceration techniques are not necessarily the best methods to yield DNA from skeletal tissue.     

High-performance liquid chromatography-ultraviolet-visible spectroscopy-electrospray ionization mass spectrometry method for acrylic and polyester forensic fiber dye analysis

A critical point of comparison between a fiber collected from a crime scene and a fiber from a known source is the color. Fiber dye analysis using thin-layer chromatography or ultraviolet (UV)-visible (Vis) microspectrophotometry provides useful, although limited, data for comparison. High-performance liquid chromatography-electrospray ionization mass spectrometry (LC/MS) overcomes these limitations by integrating chromatography, ultraviolet-visible spectroscopy, and mass spectrometry into a single instrument. In order to evaluate the applicability of the LC/MS to forensic fiber dye analysis, a multi-stage chromatographic method using acidified water and acidified acetonitrile was developed that separated and identified a mixture of 15 basic and 13 disperse dye standards. The LC/MS also detected and analyzed dyes extracted from individual 0.5 cm acrylic and polyester fibers, demonstrating its applicability to this type of analysis. With regard to the analysis of disperse dyes in polyester fibers, the replacement of pyridine with acetonitrile in the extraction system allowed direct injection of the extracts into the LC/MS. The advantage of the LC/MS over other instrumental methods of textile dye analysis is demonstrated by the analysis and differentiation of three black acrylic fibers: two fibers had similar UV-Vis spectra but were differentiated with chromatography and two had similar UV-Vis spectra and chromatograms but were differentiated using the mass spectrometer.     

Scanning electron microscopy of incinerated teeth

The aim of the present scanning electron microscopy study was to document the nature of morphologic changes occurring in human enamel and dentin subjected in vitro to temperatures in the range of 200-1,000 degrees C for variable times. The results of the investigation confirm that human enamel and dentin remain microscopically identifiable after incineration at 1000 degrees C. Furthermore, these tissues remain identifiable after incineration at 1,000 degrees C for periods greater than 3 h. No consistent or reliable differences in morphology could be detected in enamel or mineralized dentin incinerated in the temperature range 200-600 degrees C. Temperature-dependent changes involving the predentin zone were observed. Following incineration at 800 degrees C for over 3 h and at 1,000 degrees C for 3 h, a metamorphosis of enamel and dentin into a globular form was observed.     

The heat resistance of a data-encoded ceramic microchip identification system

Samis introduced the concept of the Dentify system of personal identification. In this system, ceramic microchips embossed with metallic intelligence data are placed in teeth under dental restorations. This paper describes the results of an in vitro study aimed at testing the heat resistance qualities of this identification system when placed in teeth. Teeth were subjected to a temperature of 1,000 degrees C. The results of this study indicate that the ceramic chips and their embossed metallic intelligence data are able to withstand extremely high temperatures. The metallic identifier pins used in this study were less resistant to extreme heat. The significance of these findings is discussed.     

Exploring the type-of-crime hypothesis, religiosity, and spirituality in an adult male prison population

This study examined the association between measures of spirituality and religiosity and characteristics of current criminal conviction in a male prison population. Spirituality was operationalized as spiritual well-being and existential well-being. Religiosity was operationalized as frequency of religious service attendance, whether an individual considered himself to be religious, and how strongly an individual believed his religious beliefs influenced his behavior. Inmates whose convictions were property related reported greater spiritual wellbeing, were more likely to consider themselves religious, and to say that religious beliefs influenced their behavior than inmates whose crimes were not property related. Inmates whose convictions were drug related were less likely to consider themselves religious, and inmates whose conviction involved violence were more likely to consider themselves religious but less likely to endorse statements that religious beliefs influenced their behavior. The distinction between religiosity and spirituality is discussed in terms of the type-of-crime hypothesis.     

Retrospective valuations of intellectual property

A relatively simple method for ongoing retrospective valuations of intellectual property (IP) for the purpose of setting royalty rates is described. The method uses measureable variables that indicate directly the value of an IP to a licensee over time. Protections are built into the method to preclude royalties that would be unfair to either the licensee or licensor. Unlike the cost- or income-based methods used in current practice, the described method does not require any assumptions about the future and is therefore immune to the uncertainties and possible inaccuracies that are inherent to prospective valuations. Although forecasting is needed for some purposes, such as for certain tax purposes or for the overall valuation of a company by stock analysts, the described retrospective valuations can be usefully applied for setting royalty rates that closely track and reflect changes in market conditions, patent protection, and product design.