Mariano Leon was 27 when he was fatally shot in Phoenix, Arizona, on the evening of Sunday, September 14, 2014. Phoenix police responded to the scene and opened a homicide investigation after finding Leon mortally wounded by gunfire.

Officials asked the public for information to help identify suspects and establish a motive.

If anyone knew Mariano, witnessed the shooting, or has information that might help bring answers, please share what you know with investigators.