In hours of secretly recorded telephone conversations, police officers in the Westchester city of Mount Vernon, discuss widespread corruption, brutality and other misconduct in the troubled Westchester County city just north of the Bronx.

Caught on tape by a whistleblower cop, the officers said they witnessed or took part in alarming acts of police misconduct, from framing and beating residents to collaborating with drug dealers, all as part of a culture of impunity within the department’s narcotics unit.

This is part two of a two-part audio story. Read the web version at Gothamist.com.