<Tr> <Th> Cinematography </Th> <Td> Victor J. Kemper </Td> </Tr> <Tr> <Th> Edited by </Th> <Td> David Bretherton Richard Haines </Td> </Tr> <Tr> <Th> Production company </Th> <Td> <Ul> <Li> Guber - Peters Company </Li> <Li> PolyGram Filmed Entertainment </Li> <Li> Debra Hill Productions </Li> </Ul> </Td> </Tr> <Ul> <Li> Guber - Peters Company </Li> <Li> PolyGram Filmed Entertainment </Li> <Li> Debra Hill Productions </Li> </Ul>

Who was the killer in the clue movie