Police Arrest Shooting Suspects

Published on April 21, 2016

ARLINGTON, Va. — On April 20, 2016 at approximately 10:30 p.m., Arlington County Police responded to a report of a dispute in the 3600 block of Columbia Pike. Arriving officers located one male victim suffering from a gunshot wound to the leg. He was transported to the hospital with non-life threatening injuries.

The initial investigation revealed there was a dispute between several subjects and a business owner over the sale of a vehicle. One subject brandished a firearm and shot multiple rounds towards the victim who was sitting in their vehicle. Following the shooting, the subjects fled the area. Officers observed the subject's vehicle and initiated a short pursuit on Northbound I-395. The pursuit was terminated in Washington D.C. United States Park Police assisted the investigation with the use of their helicopter.

Detectives from the Department's Homicide/Robbery and Tactical Units developed suspect descriptions. Members of the SWAT Team took two suspects into custody from a residence in the 2400 block of S. Lowell Street. Martin Walker, 25, of Largo MD, was arrested and charged with Felon in Possession of a Firearm, Attempted Malicious Shooting, Display of a Firearm during a Shooting, and Shooting at an Occupied Vehicle. Joseph Thompson, 26, of Manassas VA, was arrested and charged with Felon in Possession of a Firearm and Shooting by Mob.

Through the course of the investigation, detectives determined that the initial male victim suffering from a gunshot wound had been an aggressor in the dispute. Gregory Porter Jr., 20, of Triangle VA, has been arrested and charged with Shooting by Mob. He is being held on no bond.

Anyone with information about this incident and/or who may have observed anything suspicious in the area is asked to contact Detective S. Roeseler of the Arlington County Police Department's Homicide/Robbery Unit at 703-228-4182 or Sroese@arlingtonva.us. Information may also be provided anonymously through the Arlington County Crime Solvers hotline at 1-866-411-TIPS (8477).

--30--