In August 1969, Charles Manson's followers killed seven people on his orders. Why? Explore a conspiracy of mind control, CIA experiments, and murder.

Anonymous and exploitative, a network of online chat rooms ran rampant with sex crimes. The hunt to take down its operators required guts and tenacity.

In June 2013, Laura Poitras and reporter Glenn Greenwald flew to Hong Kong for the first of many meetings with Edward Snowden. She brought her camera with her.