The High Court in Chile has sentenced 33 former intelligence agents for the disappearance of five political activists in 1987. The court said that the five had been abducted and killed, and their bodies thrown into the sea. <br/><br/>Investigators said they were killed in revenge for the abduction of an army colonel by left-wing guerrillas. Those sentenced are former members of the CNI intelligence service, the army's intelligence battalion and the army's flight commando.