A knife-wielding man robbed the Cricket Wireless store at 11750 Business Park in Waldorf at 6:47 p.m. Feb. 23, police reported.

The man demanded money and fled after an employee complied.

He is described as black, in his mid-30s, 6 feet 1 inch tall, with a heavy build and possibly with silver dental work.

Detective B. Buchanan is investigating.