My supposition was that the homeowner was waiting for the kid to show up, ring his bell, and run, and that he had his gun ready to shoot the kid down in the front yard.
Your comment about our witness being a "troublemaker" had best be in jest else you might find yourself pulling a little time in Florida for having tried to intimidate someone who might be called in by the Prosecutor as a witness.
Tampering with witnesses is a very serious crime.
He was not a witness. He said he was a friend.