Next Friday, Matt Damon returns for a fourth outing in the film “Jason Bourne,” as the superspy continues to investigate his fuzzy past and piece together all the terrible things he’s done ...

The collection includes over 1,200 documents detailing experiments with drugs, hypnosis and other mind control techniques.

What We Know About the CIA’s Midcentury Mind-Control Project Project MKUltra began on this day in 1953 and continued for years ...