On February 6th, 2018, at 9:34 p.m., Calvert Deputies were dispatched to the Shell gas station in Prince Frederick for a report of an armed robbery. Units were on the scene within seconds of the broadcast. However, the suspect had already fled the business. The suspect is described as a black male wearing all black. This case remains under investigation. Anyone with any information is urged to contact Detective Livingston at 410-535-1600 ext. 2596 or Justin.Livingston@calvertcountymd.gov.