From MPD:

“The Metropolitan Police Department seeks the public’s assistance in identifying a person of interest in reference to an Armed Robbery (Knife) incident which occurred in the 900 block of Massachusetts Avenue, Northwest, on Sunday, July 10, 2016 at approximately 8:49 pm.

The suspect demanded property from the victim, while brandishing a knife, and threw the victim to the ground. As the victim and the suspect were struggling, two witnesses came to the victim’s aide and one of them grabbed the knife from the suspect. The suspect grabbed the victim’s wallet, which was on the ground, and fled the scene.

Anyone who has information regarding this case should call police at 202-727-9099. Additionally, information may be submitted to the TEXT TIP LINE by text messaging 50411.”