How surveillance crept up on us | Planet Money

The episode traces how the NYPD built a sprawling surveillance apparatus after 9/11, turning cameras, license plate readers, databases, facial recognition, and other tools into a centralized search system that can quickly assemble profiles on people and places. The host describes seeing that power firsthand on grand jury duty, where police video evidence appeared to come from everywhere at once, often stitched together through the domain awareness system.

Former NYPD captain Joe Pascarella says the department’s post-9/11 shift toward counterterrorism justified a huge expansion in technology, with federal grants and private money helping build real-time intelligence centers, camera-sharing programs, and eventually the domain awareness system. The NYPD argues that these tools made the city safer, but the episode notes that evidence on cameras and crime is mixed, and that many of the system’s uses were not publicly debated.

The second half focuses on secrecy. The host reports that a 2007 agreement let the NYPD classify purchases as special expenses and keep them out of normal city oversight. After 2020 protests and a lawsuit, more records started to surface, revealing previously hidden contracts and costs. Civil liberties advocates and public defenders argue that surveillance without clear bright-line rules or transparency makes it hard to judge legality, effectiveness, or abuse.