Amontae Robert Cunningham was found suffering from a stab wound outside of the Montgomery County Public Parking Garage #45 in the 11300 block of Amherst Avenue in the early afternoon hours of Wednesday, April 5.
Investigators say that Cunningham was a passenger on a WMATA Metro bus and got into an argument with an unknown man.
The bus driver stopped the bus in front of the parking garage and Cunningham got off the bus. The suspect followed Cunningham and stabbed him in front of the garage.
Police are offering a $10,000 reward and are asking anyone who may have witnessed the incidents to contact them at 240-773-5070.
Click here to follow Daily Voice Gaithersburg and receive free news updates.