Nearly 33 years ago, a knock at the door ended in gunfire at a South Austin apartment. To this day, the killing that followed has never been solved.
On March 7, 1993, 20-year-old Steve Longoria was shot and killed at his home in the 4900 block of Merritt Drive.
Police said an unknown man knocked on the door, and when Longoria answered, the man asked if he was “Steve.” The man then pulled out a gun and shot him before fleeing the scene, police say…