Journalist Jon Fasman says local police departments are increasingly using powerful surveillance tools — with little oversight.

12 September 2019, US, New York: The logo of the New York City Police Department (NYPD) is placed on a surveillance camera near Ground Zero during the 18th anniversary of the terrorist attacks of September 11, 2001. Photo: Alexandra Schuler/dpa (Photo by Alexandra Schuler/picture alliance via Getty Images)