Montana State Prison inmate Walter Cassell died on September 3, 2019 at Montana State Prison in Deer Lodge, following an extended illness. Mr. Cassell was 67 years old.
Mr. Cassell was sentenced out of Yellowstone County in 1995 for the crime of Deliberate Homicide Committed with a Dangerous Weapon. Mr. Cassell was sentenced to 100 years. Mr. Cassell was parole eligible as of May 2012.