Mark Harris joins us to discuss his feature story for Wired.com’s digital magazine Backchannel: “How Peter Thiel’s Secretive Data Company Pushed Into Policing.” He details the story of how Peter Thiel’s company Palantir, which works mostly with military clients and intelligence outfits like the CIA or Homeland Security, quietly came to dominate the local police department infrastructure in California. He looks at what this means for civil liberties, communities and law enforcement.