but juan moreno, despite his wounds, managed to crawl to his pickup truck and call for help. entually, taken to the hospital, juan, lost a lung, a kidney and part of his stomach. >> he was near death after the shooting. i think it's almost a miracle that he survived. it's because of his age. he was young and strong. >> juan still struggling to survive told police his attackers had been two hispanic teenagers. that description matched thousands of young men in the area. san antonio police canvassed the south side neighborhood. but in an area dominated by a ruthless street gang with a strict code of silence, the trail ran cold. but three weeks after the murder, rumors started swirling at a local high school that two teenagers, david garza, age 15, and ruben cantu, age 17, had committed the crime. ruben had even bragged about being the shooter. >> people didn't know whether ruben, himself was part of the gang. his older brothers were in gangs. there were low-level pool halls, drug dealing in the streets, a car theft ring active in the same neighborhood. it was a tough place to gr