A new investigation by the Associated Press reveals how, after the attacks of September 11, 2001, the New York City Police Department decided it could no longer trust other agencies to prevent terrorism and started expanding its own intelligence gathering. In the process, it became “one of the nation’s most aggressive domestic intelligence agencies,” targeting ethnic communities in ways that would run afoul of civil liberties rules if practiced by the federal government. The report, titled “With CIA Help, NYPD Moves Covertly in Muslim Areas,” also finds that these operations “benefited from unprecedented help from the CIA, a partnership that has blurred the line between foreign and domestic spying.” The report details how police used informants, known as “mosque crawlers,” to monitor sermons, even without any evidence of wrongdoing. Also falling under NYPD’s scrutiny were imams, taxi cab drivers and food cart vendors — jobs often done by Muslims. We speak with Matt Apuzzo, co-author of the Associated Press investigative report, and get response from Gadeir Abbas, staff attorney for the Council on American-Islamic Relations.