Richard Kenneth Djerf's case is often compared with that of a murderer who killed his wife, mother, and three children on what date?
Richard Djerf Richard Kenneth Djerf (born November 6, 1969) is an American mass murderer, currently on death row in Florence, Arizona. His case is often compared with that of John List, with the exception that Djerf killed someone else’s family.
Joseph Kallinger Joseph Kallinger (December 11, 1935 – March 26, 1996) was an American serial killer who murdered three people, including his teenage son, and tortured four families. He committed these crimes with his 15-year-old son Michael.