The 'right to record' is not a question of technology, but rather power and policy - TechRepublic

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There's now some evidence that police cameras reduce complaints and violence, which has led to editorial boards calling for more cameras on officers and some civil libertarians calling for every officer to wear a lapel cam while on duty.

From The 'right to record' is not a question of technology, but rather power and policy - TechRepublic

Note, however, that 

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Surprisingly, we found that the use of wearable video cameras is associated with a 3.64% increase in shooting-deaths of civilians by the police. We explain that video recordings collected during a violent encounter with a civilian can be used in favor of a police officer as evidence that justifies the shooting.

From Study Links Police Bodycams to Increase in Shooting Deaths - Law Blog - WSJ

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The paper also looked at the use of smartphones and in-vehicle laptops that allow police officers to obtain crime data and suspect information on the fly. In contrast to their findings on body cameras, “smartphone use by officers is also associated with a 2.46% reduction in the shooting-deaths of civilians,” the study said.

From Study Links Police Bodycams to Increase in Shooting Deaths - Law Blog - WSJ

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