John Miller retired from the Air Force as a Senior Master Sergeant. He was awarded the US Army and Air Force Good Conduct Medal and several Air Force Commendation Medal and USAF Meritorious Service Awards. He served as an Air Force Office of Special Investigations special agent.
Law enforcement career
After leaving the Air Force, Miller began his career with the Clark County District Attorney's Office as a special investigator, working with undercover teams from the local Police and the FBI conducting burglary stings. He then joined the Nevada Gaming Control Board as an enforcement agent.
He was also certified as an expert witness in state and federal courts for gambling cheat trials.