In the 1990s, psychologist D. Corydon Hammond publicized a detailed theory of ritual abuse drawn from hypnotherapy sessions with his patients, alleging they were victims of a worldwide conspiracy of organized, secretive clandestine cells who used torture, mind control and ritual abuse to create alternate personalities that could be "activated" with code words; the victims were allegedly trained as assassins, prostitutes, drug traffickers, and child sex workers (to create child