In the annals of rock musicians fucking up, few entries are more extreme than stabbing your girlfriend to death and claiming not to remember doing it later. In October 1978, bassist Sid Vicious—deep into heroin addiction; his band Sex Pistols having broken up earlier that year—woke up in his room at the Hotel Chelsea in New York to find his girlfriend Nancy Spungen dead in the bathroom with a wound in her abdomen. It was concluded that Vicious' knife, which had gone missing along with Spungen's money, was the murder weapon.
Vicious was charged with murder and gave conflicting accounts of what had happened; he said he hadn't stabbed Spungen, then that he couldn't remember anything and then that they were fighting and she fell on the knife. He was arrested and charged with murder but not kept in custody and attempted suicide later that month. In December 1978 he got in a fight at a rock show and was arrested and jailed; bailed out in February 1979. The following day, he died of an overdose of his mother's heroin at a dinner party. He was cremated and his mother surreptitiously spread his remains over Spungen's grave.