 In other incidents, Duvalier ordered the head of an executed rebel packed in ice and brought to him so he could commune with the dead man's spirit.Peepholes were carved into the walls of the interrogation chambers, through which Duvalier watched Haitian detainees being tortured and submerged in baths of sulfuric acid; sometimes, he was in the room during the tortures.In 1961, Duvalier began violating the provisions of the 1957 constitution.