Weeks after the Boston Police Department's plan to acquire expensive, powerful online surveillance technology became public, the ACLU of Massachusetts continues to voice concern over how the program would harm civil liberties. Our Technology for Liberty director Kade Crockford joined WBUR's Radio Boston to explain how social media surveillance programs operate and the ways in which they endanger users.

Listen to the interview: What Police Surveillance Of Social Media Could Mean For You

Learn more about Boston's proposed social media spying program.