Indianapolis - Metro police have arrested in a teenager in the murder case of Mario Gonzalez-Tello.
Gonzalez-Tello, 72, was trying to defend a friend who was being robbed. In the process, police believe Dominique Staten, 16, shot and killed Gonzalez-Tello. The incident occurred on June 20th in the 5300 block of West 38th Street.
Staten has been charged with murder and robbery.