The FBI was surveilling him, hoping to bust him for violating the Mann Act, which forbade the transportation of prostitutes across state lines. They were never able to bring the charge, but when Manson disappeared to Mexico with another prostitute, he was found in violation of his probation, and the ten-year sentence he’d received earlier was brought into effect. The same judge who’d granted him probation now decreed: “If there ever was a man who demonstrated himself completely unfit for probation, he is it.”
