Corporal Stephen J. Ballard was killed after approaching a vehicle at what convenience store whose corporate headquarters is located in Greater Philadelphia?
Shooting of Stephen Ballard:  On 26 April 2017 Cpl. Ballard was shot and killed after approaching a suspicious vehicle at a Wawa in Bear, Delaware. Wawa Inc.: Wawa Inc. is a chain of convenience store/gas stations located along the East Coast of the United States.
i don't know