RITUAL KILLING OR A DATE NIGHT?

HE CLAIMED , HIS GIRLFRIEND CAME TO VISIST HIM,BUT OUT OF JEALOUSY HE MURDERED HER.HOWEVER, THE POLICE UNCOVERED THAT THERE IS MORE TO THE STORY AS, HER SEVERED HEAD, WAS FOUND ON HIM,WHILE TRYING TO DELIVER IT TO GOD KNOWS, WHERE DURING THE TIME OF HIS ARREST.