The Civilian Complaint Review Board (CCRB), the independent board that investigates misconduct complaints against the New York Police Department, is crediting video recordings for its highest rate ever of substantiated cases. Chair of the CCRB Richard Emery discusses.

Now: videos have sparked "a fundamental revolution" in how police officers are reviewed. Listen on @WNYC.

— Brian Lehrer Show (@BrianLehrer) September 9, 2015

It's rare to find a spot in today’s NYC where you’re not being videoed, says #CCRB chair Richard Emery.

— Brian Lehrer Show (@BrianLehrer) September 9, 2015

"45% of all substantiated excess-force cases against police were supported by video recordings." Chair of the CCRB joins @BrianLehrer now.

— WNYC (@WNYC) September 9, 2015

Here's the #CCRB report claiming videos are boosting the # of substantiated complaints: http://t.co/p4OLR2S1gd

— Brian Lehrer Show (@BrianLehrer) September 9, 2015