On August 9th 1969, seven people were found shot, stabbed and bludgeoned to death in Los Angeles. The nation watched in fascinated horror as the killers were tried and convicted. But the real questions went unanswered. How did Manson make his "family" kill for him? How could these young men and women kill again and again without remorse? And did the murders go on even after Manson was in jail? Here Vincent Bugliosi, D.A. on the case, reveals the true story behind the most famous mass murder case ever - the orgies, the willing murders, the brainwashing and the retaliation slayings.