As The Lonely Hearts Killer, he targeted beautiful women by posing as a photographer who wanted to take their pictures.
His family physician told his mother he would grow out of his sadomasochistic sexual tendencies.
He took photos of his victims during and after brutally raping and murdering them.
He never married.
He was housed in San Quentin State Prison prior to his execution, a prison in which Charles Manson was also housed.