Deqavion Marcell James turned himself in at the Hopkinsville Police Department at 3 p.m. on Wednesday.
He is currently in custody and will be lodged in the Christian County Jail, according to KSP.
A victim has been identified by Kentucky State Police as part of an investigation into a body found on Carter Rd. in Oak Grove.
KSP identify the victim as De-Andre Marquis Palmer, 19, of Clarksville, TN.
KSP is also issuing an arrest warrant for Deqavion M. James, 18, of Oak Grove on charges of murder, robbery, and tampering with physical evidence in relation to this investigation.
James is considered armed and dangerous, according to KSP. KSP say he should not be approached, and anyone with information on his whereabouts should call KSP at 1-800-222-5555. Callers may remain anonymous.