Victims of Howard Arthur Allenon January 1, 2010 in Serial Killers, Victimology by Brian Combs
Allen beat 85-year-old Opal Cooper to death during a home robbery in August 1974.
Laverne, 87, was assaulted by Allen on May 20, 1987. She died nine days later.
On July 14, 1987, Allen killed Ernestine. He stabbed her with a ten-inch butcher knife, bashed her head with a toaster, and stole a camera and $15.