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The rise of scientific thinking in finding, catching, and convicting criminals-and, just as important, freeing the innocent-has transformed society's assault on crime. Before scientific detective work, early attempts to maintain public safety relied on the severity of punishment rather than any probability of apprehension. But with the rapid development of the sciences in the nineteenth century, some techniques began to spill over into more effective police work. Michael Kurland's engrossing history of forensic science recounts this remarkable progress, which continues to the prese

Written in a clear, approachable, and jargon-free voice, Moving Violations will appeal to makers and analysts of policy, historians of science, technology, business, and the environment, and any readers interested in the history of cars and government.

International audience ; This paper examines experts who have testified before U.S. and French courts and legislatures on same-sex marriage and parenting debates between 1990 and 2013. Experts can provide special evidentiary weight to political arguments, which I call expert capital. For this reason, social movements and decision-makers on both sides of the debate solicit them. Yet, because of specific national conditions, this article shows that not all experts have the same capacity to use their respective academic and professional resources to impact policymaking in each country. Drawing on 71 in-depth interviews and ethnographic observation in both the U.S. and France, it analyses how progressive and conservative experts have struggled for dominance in their fields. Results show that American progressive experts have achieved a degree of power in their fields as their conservative counterparts turn to resources outside the academic mainstream. In France, progressives have only recently begun to challenge conservatives' dominant position. I argue that these power balances, which are subject to change, are due to: 1) size and centralization of knowledge regimes; 2) disciplinary and university reactions to research on gender and sexuality; 3) academic and professional organization strength; 4) social acceptance of gay families; and, 5) the degree of division among allied experts. These findings have implications for research on social movements. They show that the capacity of experts to provide expert capital to their activist and decision-maker allies is constrained and enabled by factors specific to knowledge production fields that vary cross-nationally.

International audience ; This paper examines experts who have testified before U.S. and French courts and legislatures on same-sex marriage and parenting debates between 1990 and 2013. Experts can provide special evidentiary weight to political arguments, which I call expert capital. For this reason, social movements and decision-makers on both sides of the debate solicit them. Yet, because of specific national conditions, this article shows that not all experts have the same capacity to use their respective academic and professional resources to impact policymaking in each country. Drawing on 71 in-depth interviews and ethnographic observation in both the U.S. and France, it analyses how progressive and conservative experts have struggled for dominance in their fields. Results show that American progressive experts have achieved a degree of power in their fields as their conservative counterparts turn to resources outside the academic mainstream. In France, progressives have only recently begun to challenge conservatives' dominant position. I argue that these power balances, which are subject to change, are due to: 1) size and centralization of knowledge regimes; 2) disciplinary and university reactions to research on gender and sexuality; 3) academic and professional organization strength; 4) social acceptance of gay families; and, 5) the degree of division among allied experts. These findings have implications for research on social movements. They show that the capacity of experts to provide expert capital to their activist and decision-maker allies is constrained and enabled by factors specific to knowledge production fields that vary cross-nationally.

Forensic Testimony: Science, Law and Expert Evidence-favored with an Honorable Mention in Law & Legal Studies at the Association of American Publishers' 2015 PROSE Awards-provides a clear and intuitive discussion of the legal presentation of expert testimony. The book delves into the effects, processes, and battles that occur in the presentation of opinion and scientific evidence by court-accepted forensic experts. It provides a timely review of the United States Federal Rules of Evidence (FRE) regarding expert testimony, and includes a multi-disciplinary look at the strengths and weaknesses in forensic science courtroom testimony. The statutes and the effects of judicial uses (or non-use) of the FRE, Daubert, Kumho, and the 2009 NAS Report on Forensic Science are also included. The presentation expands to study case law, legal opinions, and studies on the reliability and pitfalls of forensic expertise in the US court system. This book is an essential reference for anyone preparing to give expert testimony of forensic evidence