Gabriel Anthony Mercado Jr. was 15 and a resident of Hacienda Heights, California, when he was shot and killed outside his home on October 18, 2005.

Investigators have not publicly identified suspects and no arrests have been announced. The case remains unsolved, and family members and community advocates have continued to urge anyone with information to come forward as they seek justice for Gabriel.

If anyone knew Gabriel, saw activity in his neighborhood that night, or has information that could help the investigation, please share what is known with the appropriate detectives handling the case.