Hillside Strangler Angelo Buono Junior, whose murders of young women terrified Los Angeles in the 1970´s, has died in his Southern California prison cell, he was 67. The California Department of Corrections says Buono had suffered from heart problems, but no cause of death has been determined. Buono and his adoptive cousin Kenneth Bianchi were accused of kidnapping, raping, torturing and killing ten females ranging in age from 12 to 28 during a four-month period in 1977 and 1978. Buono was sentenced to life in prison without the possibility of parole in 1983 after being convicted of nine of the murders. The women´s nude bodies were dumped on L.A. area hillsides. Bianchi pleaded guilty to five of the murders and testified against Buono. Bianchi is serving his sentence in Washington state, where he killed two other women.