Identifying and Managing Stress in Child Pornography and Child Exploitation Investigators

In the last decade, law enforcement personnel have increasingly been tasked to police the internet in an effort to staunch the production and distribution of child pornography and to investigate computer-facilitated child exploitation. These investigative personnel have encountered a range of assignment-specific challenges and strains as a result of their involvement in this taxing and novel investigative activity. In some cases, the cumulative effects of these strains, together with repeated exposure to highly disturbing images of abused children, have resulted in stress reactions that have commanded the attention of police managers and police psychologists alike. The present article is intended to provide an overview of the stresses unique to child exploitation and pornography investigations, common reactions to these stressors, procedural safeguards to mitigate the impact of this high-risk assignment, and two model programs designed to meet the needs of the current generation of “cyber cops”.

Excessive PCBs in the Hudson River: Attributable to Incompleteness of Dredging,or to Seven Years of Dredging?

GE recently completed a seven-year US EPA-mandated clamshell dredging project to remediate PCB contamination of the Hudson River. Post-project PCB levels in water and fish, however, are higher than anticipated, suggesting to some the need to extend the project to remove more PCB-bearing sediments. Our investigation of the effectiveness of the dredging project revealed that a previously unconsidered physical process must mobilize sediments as a result of dredge bucket closure. We also used computerized dredging data (‘bucket files’) to estimate the fraction of dredged sediments returned to the river instead of being deposited into waiting barges. We conclude that excessive post-project PCBs in the Hudson River predominantly are attributable to sediment mobilization by clamshell dredges. We predict that proposed extension of the dredging project would prolong mobilization processes, allowing PCBs to spread widely and enter ecosystems that include people, endangered fish such as sturgeon, and endangered birds such as bald eagles.     

Fracking in New York State: Weighing Risks and Benefits

The controversial decision to ban fracking in New York State, most notably in the Marcellus Shale formation, was informed by global, national, state, and local issues that have general relevance. Without prejudging whether fracking can be undertaken safely, we discuss the science of fracking, focusing primarily on widely reported public health and environmental risks, especially those associated with greenhouse gas emissions. Based upon such concerns, any reconsideration of the fracking ban in New York should include, at a minimum, consideration of imposing public and environmental health risk management requirements as proven feasible and successful via industry experience. Fracking should be viewed as one choice among alternative energy strategies, all of which pose risks, rather than simplistically classified as either safe or unsafe. Assuming that our energy needs will continue to grow, our goal should be to guide the evolution of our energy portfolio toward sustainable sources as they emerge as feasible energy alternatives.     

The Lack of Dissent in WTO Dispute Settlement

This article analyses in detail the fact that there has beenalmost no dissent in World Trade Organization (WTO) disputesettlement reports. Only a handful of articles have noted thisphenomenon, even in passing. The article first examines theempirical data with respect to dissenting and concurring opinionsat both the panel and Appellate Body levels. Fewer than 5% ofpanel reports and 2% of Appellate Body reports contain separateopinions of any kind. Second, it shows that the WTO is in factactively discouraging dissents and discusses why this mightbe the case. The article argues that dissents are valuable ingeneral and assesses whether more dissents would be a positivefor the WTO. It then reviews the few dissents that have beenpublished and demonstrates that 50% of the arguments raisedin dissents at the panel level were adopted in whole or in parton appeal by the Appellate Body, thus illustrating dissentscan and do make a difference. The article concludes that keepingthe lid on dissents may ultimately erode the strength of thedispute settlement system and hinder the ability of the WTOMembers to make appropriate changes to the Agreements.     

Postcranial Sex Estimation Criteria for Mexican Hispanics

Population-specific reference data are necessary for sex estimation in forensic anthropological practice. Currently, there are no population-specific data for Hispanics equivalent to data available for American Blacks and Whites. Individuals of Mexican origin represent the largest group of Hispanics in the United States (Spradley and Jantz. 2011. J Forensic Sci;56:289). This paper presents new population-specific sex estimation criteria for postcranial measurements for Mexican Hispanics. Metric data come from positively identified border-crossing fatalities at the Pima County Office of the Medical Examiner and documented cemetery collections curated at Universidad Nacional Autónoma de México and Universidad Autónoma de Yucatán. Stepwise variable selection procedures and discriminant function analyses were utilized to generate classification functions for postcrania. Sectioning points were also created for select measurements. Both the cross-validated classification rates and sectioning points achieved accuracy rates as high as 95% and 92%, respectively. These new criteria will improve sex estimation for US Mexico border crossers and Hispanics in the US.     

Accountability,Test Prep Incentives,and the Design of Math and English Exams

We examine how incentives for test prep varied between math and English language arts (ELA) on U.S. state accountability exams. We collected data on exam structure for grade 3 to 8 tests in six states that are the setting for most U.S. research in literatures where accountability matters. We show that math exams typically measured ability more precisely for students on the margin of achieving proficiency. This gave educators an incentive to spend more time preparing students for math tests than for ELA tests, consistent with the common finding of larger math effects in the literature.