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Why would an innocent man confess to a crime he didn’t commit? This is the thorny question lingering over Scenes of a Crime, Blue Hadaegh and Grover Babcock’s chilling documentary about the circumstances surrounding the interrogation and trial of Adrian Thomas, suspected of forcefully injuring his four-month-old son in upstate New York during the fall of 2008. The film combs through hours of tape in which two police officers grill Thomas for an admission of guilt. What transpires is an infuriating look into the morally dubious practice of police questioning, a scenario in which the end always justifies the means. Being largely comprised of surveillance-camera footage, Scenes of a Crime could have been a dry doc. But it stays engaging by hitting the familiar beats of a classic procedural, only with an unnerving conclusion that has all too real consequences.

Friday, June 24 at 3:15 p.m. at AFI Silver 3; also on Saturday, June 25 at 10:45 a.m. at Discovery HD Theater.