GREAT FALLS — Walter Cassell, a convicted murderer, died on September 3 at the Montana State Prison in Deer Lodge.
His death followed an extended illness, according to a press release from prison officials.
Cassell was 67 years old.
He was sentenced in Yellowstone County in 1995 for the crime of deliberate homicide committed with a dangerous weapon.
Cassell was sentenced to 100 years in prison.
According to FindLaw , the victim in the case was John Formo: "On November 18, 1994, John Formo was murdered. His body was discovered the next morning in a dumpster in an alleyway behind the 500 block of Birch Avenue in Laurel, Montana."