Updated

PALMER PARK, Md. -- Prince George's County police have charged two men in the slaying of an off-duty Maryland state trooper.

Authorities said Monday Cyril Williams and Anthony A. Milton are charged with first-degree murder in the killing of 24-year-old Trooper Wesley Brown.

Brown was shot early Friday while working as a security guard at an Applebee's restaurant. Brown, who wore a jacket that identified him as an officer, was talking on a phone in the parking lot at the time, state police said.

Officials did not identify which man pulled the trigger, but said a semiautomatic handgun was used in the shooting. They say Williams was the person of interest who Brown had escorted out of the restaurant just a half-hour before the shooting.

Both men have criminal records.