The messenger didn’t just say Saul was dead.  He even claimed to help kill the guy!  He thought this would impress David, but he was wrong.  David still respected Saul as the king and as God’s anointed leader.  Thus, the dude was killed for his actions.  David lamented the loss of his king, and of Saul’s son, Jonathan.  Some time after this, David was made king of Israel, but not all at once.  For a while, he ruled from a particular region of the area.  Where was this?