An armed robber is still on the loose after a Sonic was robbed Monday night.
Officers were called to the Sonic on Murfreesboro Pike just before 11 p.m.
Detectives said the robber, dressed head-to-toe in camouflage, walked in the back door carrying a gun.
He forced an employee to empty the register before fleeing the scene.
If you have any information, call Crime Stoppers.
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