Cory was raised and graduated high school from Hysham, Montana. He spent 9 years in the US Army as an helicopter mechanic. While in the Army he received an A.S. Degree in Administrative Justice from the University of Hawaii. After leaving the Army he was hired as a deputy sheriff for the Rosebud County Sheriff's Office and was stationed in Colstrip. He left the Sheriff's Office after 5 years when he was hired by the Colstrip Police Department. Cory has been Chief of Police since May 2012.