Dallas (WBAP/KLIF) – A 7-11 employee has been arrested for shooting a man to death early Christmas morning outside the West Dallas store where he works. Police say surveillance video shows 21 year old Junior Gebremariam got into an argument with Brigido Cisneros, pulled out a handgun, and shot Cisneros several times. Police found Cisneros dead, sprawled across the front entrance to the store on Singleton Boulevard at Loop 12 Walton Walker. Gebremariam has been arrested, and will face a murder charge.