$50,000 reward offered in USPS postal carrier zip-tie assault

The suspects fled the scene in an old silver Mercedes sedan with Maryland tags, police say. Postal Inspection Service says they're offering a $50,000 reward for information on the two suspects they believe zip-tied, assaulted and then robbed a mail carrier D.C. this past Tuesday. The suspects approached the postal service employee and assaulted the person and took property before leaving the scene. The suspects fled the scene in an old silver Mercedes sedan with Maryland tags, police said. The car was captured by a nearby surveillance camera and is described as a silver color Mercedes Benz.