The suspect was identified Tuesday as 30-year-old Rico McClain, according to Prince George's County Police Department. Police are asking for the public's help in locating McClain, who is considered armed and dangerous.
There is an arrest warrant for McClain. He faces charges of first-degree murder, second-degree murder, first-degree assault, second-degree assault and reckless endangerment in the death of 28-year-old Kevin Tyll Davis on Nov. 4 in Popeyes, Oxon Hill, police said.
McClain was first identified by an employee who viewed security personnel from the restaurant and knew him about the interactions he had with McClain on the street, said Jennifer Donelan, a spokesman for Prince George's County Police.
Surveillance footage shows several people waiting in line to order Popay's popular new chicken sandwich when Davis enters the store and cuts to several customers.
McClain confronted Davis about his behavior and 15 seconds later
Police released a picture of McClain and a woman who was with him when he fled last week. The woman was questioned and is considered a witness.