The Cuyahoga County Medical Examiner ruled Tuesday that the death of Alexander J. Mullins, 16, was a homicide.

He had been reported missing on Nov. 10. His body was found inside a vacant house Nov. 20 in the 3700 block of E. 54th Street. Mullins had been shot in the chest.

He was listed as missing after last being seen going to Washington Park Environmental Studies School.

No arrests have been made and no suspects are known.