Portland police revealed his identity on Friday afternoon.
According to officials, Martin was a Southwest Washington resident. The medical examiner determined that he died of a gunshot wound.
The incident occurred at approximately 4:30 p.m. on Oct. 11. Martin was one of two people shot in Downtown Portland. The other unidentified victim was transported to the hospital with injuries that were believed to be non-life-threatening. Martin died at the scene.
The suspect in the case, 46-year-old Geoffrey E. Hammond, was arrested after the shooting. He now faces charges of second-degree murder with a firearm, second-degree attempted murder with a firearm, first-degree assault with a firearm and two counts of unlawful use of a weapon.
The Portland Police Bureau has asked anyone with additional information on the case to contact authorities.