Matt Apuzzo, co-author of the book “Enemies Within,” tells Newsmax that the New York City Police Department’s counterterrorism surveillance programs are troublesome and add to the ongoing debate about government intrusion.

Apuzzo and Adam Goldman, both Pulitzer Prize-winning journalists, co-wrote “Enemies Within: Inside the NYPD’s Secret Spying Unit and Bin Laden’s Final Plot Against America.” The book delves into the NYPD’s counterterrorism efforts and the toll it may taken on the privacy rights of ordinary American citizens.

Read more at Newsmax.com.