Illustration: YUGO M-90 5.56mm assault rifle. Courtesy/ WSS Firearms
The Navajo Department of Criminal Investigations and the FBI are investigating an armed robbery that occurred Nov. 30 at the Sonic Drive-In in Shiprock.
Shortly after midnight, two individuals dressed in black and with blue bandanas over their faces entered the restaurant on Highway 491.
Witnesses said one of the robbers carried an AK-style assault rifle.
The suspects took an undisclosed amount of money and may have gotten into a silver or white four-door sedan.
Anyone with information on this incident is asked to call the Albuquerque FBI at 505-889-1300 (24 hours) or send a tip online at https://tips.fbi.gov.