So more rounds in quick succession!
Once the threat is stopped, you call the police and say, "I am in fear for my life. Arrest that man!" Then you tell the police you want to speak to your lawyer and shut up. Now, the intruder is dead, you know this, and you demand they be arrested, even though you know he is dead.
All of that said, I am conflicted about the killing of these two. I do not think one should prophylactically kill those who might come back. They might be chalked up as idiot young people, but idiot young people can kill homeowners. We know the police do nothing to prevent breaking and entering...most of the time they come in and 'clean up' after the fact. So, we as a society are not constrained from bad behavior by the chains of virtue. We have long since moved to a postChristian era where bad behavior has attained victim status. We are left to defend our homes, lives, and propterty. The rules seem to vacillate very often.
I think the shooter in this case spoke too much. He acted beyond what the law allows. He showed poor judgement on a variety of levels. He says he was also very tired of getting broken into and have his property stolen. This will not play with a jury. Property trumps 2 young lives? This will not fly with most juries judging this white man. O.J.'s jury was another thing.