In the early minutes of September 14, 2025, Joe Martinez, 19, a male, stood with friends on the top level of the Rivercenter Parking Garage in downtown San Antonio when the night tipped from noisy to lethal. Police were called just before 1:30 a.m. Officers climbed to the rooftop and found Joe Martinez, 19, fatally wounded; he was pronounced dead at the scene. The Bexar County Medical Examiner later identified him and ruled his death a homicide caused by a gunshot wound to the abdomen.
What unfolded was not a single shot from the shadows but a chaotic struggle between two groups who had converged on the garage. According to preliminary reports, an altercation sparked when the second group arrived; a gun surfaced, and in the frantic tangle that followed, the weapon discharged. Joe Martinez, 19, was killed. An 18-year-old was rushed to the hospital in critical condition, and a 16-year-old—believed to be involved—was grazed and treated on scene. The scene bore the marks of a weekend city center suddenly cut by gunfire, blue lights washing the concrete as investigators tried to make sense of the fragments left behind.
Detectives detained multiple people that morning, but many of those pulled aside were unwilling to shed light on who held the weapon when it fired. A firearm was recovered. By midweek, authorities confirmed that Joe Martinez, 19, had been formally identified by the medical examiner, and they underscored that the investigation remained open. No arrests had been made, even as tips were sought and interviews continued, a silence hanging over a case that began with a rooftop argument and ended in a fatal shot.
Joe Martinez, 19, did not leave that garage. The story of that night is fixed by a few immovable details—the high concrete deck above East Commerce Street, the struggle, the recovered gun, the medical examiner’s ruling—and by the unanswered questions that still surround the shooter. In the weeks since, investigators have pressed on, but the absence of an arrest has only sharpened the outline of loss left by the death of Joe Martinez, 19.