San Antonio police are investigating after a man in his 20s was shot near a park north of downtown on Tuesday night. The victim's roommates called the police after he came home to their apartment, saying he'd been shot near Crockett Park. The victim was hospitalized with a severe gunshot wound to the chest. He was unable to describe the suspect to the police. Investigators found a single shell casing at the scene. They have no suspect at this time.