The Hillside Strangler: Devil in Disguise

A series of unsolved strangulation murders in Los Angeles puts pressure on law enforcement.

Two college students are found dead in Bellingham; security guard Ken Bianchi raises suspicions.

A revelation in Bellingham and clues found in LA lead police to a second Strangler suspect.

As Angelo Buono's trial begins, all eyes are on Ken Bianchi as the state's key witness.