A father and his son have been arrested in connection with the death of Tyson Gay's 15-year-old daughter ... after officials say they were in a shootout with a 21-year-old man when a stray bullet struck the young girl.
The U.S. Olympic sprinter's daughter, Trinity,was killed early Sunday morning when she was hit in the neck outside the Cook Out restaurant in Lexington, Kentucky around 4 AM.
Cops say they believe the man who likely fired the fatal shot is 21-year-old D'Vonta Middlebrooks -- who was allegedly shooting at a car containing 38-year-old Chazerae Taylor and his 19-year-old son D’Markeo.