SAN ANTONIO -- A murder suspect is behind bars Thursday afternoon.

Michael Enoch, 32, was arrested Thursday for allegedly shooting and killing Darrel Gentry on Oct. 12 in the 1300 block of Rigsby Avenue.

Gentry was arguing with his girlfriend when Enoch walked up to the couple, shooting Gentry in the chest.

Evidence at the crime scene and a crime stoppers tip led to Enoch's arrest.