133 research outputs found

    A vision of control: the increased sophistication of CCTV brings new controversy

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    CCTV has evolved into a very different creature to what it was when the first cameras were installed. The technology has become more sophisticated and there has been a rise in peripheral products which radically change its nature and capability. With regulation severely lacking, it is time for serious public debate about where CCTV is headed and the boundaries of acceptability, argues Emmeline Taylor

    Abuse against shop workers has increased during the pandemic – it is time to take action to protect them

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    Emmeline Taylor reports how attacks against shop workers have increased during the COVID-19 crisis, exacerbating an already problematic situation. Such incidents are often dismissed as ‘business crimes’ and therefore somehow victimless, rendering a change in the law necessary

    Lights, Camera, Redaction. Police Body-Worn Cameras: Autonomy, Discretion and Accountability

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    The sun beats down on a hot and sticky afternoon in Oklahoma City, September 2015. A police officer fitted with a body-worn camera is giving chase to a man who has allegedly robbed a general store armed with a knife. The assailant runs into dense grassland and falls to the ground. The pursuing officer incapacitates him with a Taser, following which another officer kneels on him and secures his hands behind his back with handcuffs. Several further officers arrive at the scene. As the man lies face down on the ground, “Turn it off,” comes the whispered order from the handcuffing officer. The assailant succumbs to a black leather boot to the neck as the officer wearing the camera turns his back on what’s happening, thus preventing the scene from being fully captured. Audible cries are heard from the restrained assailant but the majority of the remaining footage is not of the altercation, but rather, the surrounding trees and grassland.

    A Test of Predator Avoidance by Larvae of the Blue Ridge Two-lined Salamander (Eurycea wilderae) in Appalachian Streams

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    Larval Blue Ridge Two-lined Salamanders (Eurycea wilderae) are significant components of Appalachian streams, reaching densities up to 100/m2. Not surprisingly, these salamanders fall prey to many types of predator. In order to test the hypothesis that larval E. wilderae actively avoid predators, we paired them against a variety of predators of this species. Predators included Banded Sculpins (Cottus carolinae), Chattahoochee Crayfish (Cambarus howardi), and Spring Salamanders (Gyrinophilus porphyriticus), both adult and larval. We placed larvae in a 1-m metal trough filled with water with a predator placed in a cage at one end. A control treatment consisted of an empty cage. For each trial, we placed a larval E. wilderae. After the larva stopped in one place for 10 min, we measured the distance between the larva and the cage. We ran 18‒20 replicates for each of the five treatments. A Kruskal-Wallis test showed no significant difference between any of the treatments in mean distance. Disagreement between our results and those of other workers suggests the possibility of interspecific or interpopulation variation in anti-predator behavior. In addition, because of their high densities and wide variety of predators, larval E. wilderae may not suffer sufficient predatory pressure from a particular species of predator to evolve appropriate behavioral responses
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