Police are asking for help with a cold case from 2015.

Deltino Crain, 18, died after being shot in the chest in an Aug. 3, 2015, triple shooting, The Atlanta Journal-Constitution previously reported.

The other two people shot were an 18-year-old woman and a 16-year-old man, Clayton County police spokeswoman Sgt. Ashanti Marbury said.

Police believe all three teenagers were seated on the stairs of the E Building at the Willow Way Apartments on Riverdale Road when an unknown number of people in a car opened fire on them.

Anyone who may have information pertaining to case #15051815 is asked to contact Crime Stoppers at 404-577-TIPS(8477).

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