Manson Family was rumored, although never proven, that Hughes was murdered by the Family, possibly because he had stood up to Manson and refused to allow Van Houten to take the stand and absolve Manson of the crimes. Though he might have perished in flooding, Family member Sandra Good stated that Hughes was "the first of the retaliation murders". Watson returned to McKinney, Texas after the Tate–LaBianca murders. He was arrested in Texas on November 30, 1969, after local police were notified by California investigators that his fingerprints were found to match a print found on the front door of the Tate
Charles Manson of his body. Holmstrom explained that Manson had objected to his Hare Krishna chants and verbally threatened him. After 1989, Manson was housed in the Protective Housing Unit at California State Prison, Corcoran, in Kings County. The unit houses inmates whose safety would be endangered by general population housing. He had also been housed at San Quentin State Prison, California Medical Facility in Vacaville, Folsom State Prison and Pelican Bay State Prison. In June 1997, a prison disciplinary committee found that Manson had been trafficking drugs. That August he was moved from Corcoran State Prison to Pelican Bay State Prison.