A man was charged with murder after approaching officers to admit he fatally shot a man he lived with on the West Side, according to an arrest affidavit.

Julio Castro, 36, was arrested Saturday in connection with the death of David Alai Rodriguez Cabrera, 36, the affidavit states.

The shooting happened around 2:45 p.m. Friday in the 900 block of South San Augustine Avenue, near Castroville Road, after multiple callers reported hearing around five gunshots and seeing a man lying on the ground, the affidavit states.