Killeen police asking public's help in solving 2017 murder of Subway security guard

The Killeen Police Department and the Bell County Crime Stoppers are asking for the public's help in solving the murder of a Subway security guard in 2017.

Killeen police say a black male entered a Subway on Old FM 440 in Killeen in an attempt to rob the restaurant during the early morning hours of Feb. 26, 2017.

(Killeen Police Department)

William Petty was on duty as a security guard and attempted to approach the suspect when he turned and fired at Petty, fatally wounding him. Petty was transported to Baylor Scott & White Hospital in critical condition, where he died.

RELATED: Robbery turned fatal at Killeen Subway Restaurant

The suspect is described as a stocky black male, approximately 5'6", last seen wearing a dark gray sweatshirt, black shorts with red and white trim, and white tennis shoes.

There were a few citizens and employees in the restaurant at the time of the robbery. No one else was injured. 

Anyone with information on this crime is asked to call Bell County Crime Stoppers at 254-526-8477.

All information is anonymous and confidential and if your tip leads to the arrest of the person or persons responsible for this crime, you could be eligible for a reward up to $1,000 in cash.