Does video recording inhibit crime suspects? Evidence from a fully randomized field experiment.

In partnership with a small city police department, we randomly informed or did not inform 122 crime suspects that their interrogations were being video-recorded. Coding of all sessions indicated that camera-informed suspects spoke as often and as much as did those who were not informed; they were as likely to waive Miranda at the outset and later; they were as likely to make admissions and confessions, not just denials; and they were perceived...