India, July 13 -- Kenneth Bianchi, one of the two men behind the horrific 'Hillside Strangler' killings, has once again been denied parole. The decision came this week, meaning Bianchi will stay locked up in a California prison, where he's been serving a life sentence since 1983.

This is the eighth time he han been refused parole. His first denial came in 1985, and another in 2010.

Now 74, Bianchi was part of a killing spree that gripped Los Angeles in the late 1970s. Over four months from late 1977 to early 1978, ten women were abducted and murdered. Bianchi later admitted to killing two more women in Washington. He committed those last murders on his own.

Bianchi didn't act alone in most of the Los Angeles cases. He carried out the c...