GARLAND, Texas (AP) — Dallas-area police have charged a 14-year-old with capital murder in a triple killing at a gas station and are warning that the boy is at large, armed and dangerous.

Detectives in Garland are seeking Abel Elias Acosta and said Wednesday that they have evidence showing he was the gunman who left three teens dead and wounded a fourth at the suburban gas station’s convenience store Sunday.

This undated photo released by the Garland Police Department, shows Richard Acosta Jr., 33, a resident of Garland, Texas, who has been arrested and charged with capital murder, accused of being the getaway driver in a shooting Sunday night, Dec. 26, 2021, at a gas station convenience store in the suburb northeast of Dallas. Dallas-area police have released a 14-year-old boy whom they had suspected in a weekend shooting that left three teenagers dead and a fourth badly wounded, saying the gunman is still on the loose. (Garland Police Department via AP)

Police say Acosta is the son of Richard Acosta, 33, who turned himself in to police Monday evening and is also charged with capital murder for allegedly acting as a getaway driver in the shooting.