I will BET THE FARM that the shooter is DEAD:
A) He offed himself at the river near where his car was parked. His body is underwater for the time being.
or
B) He offed himself in the back of a property where a resident said he heard what sounded like a loud gun shot.
My common sense tells me he either had another vehicle staged nearby where he parked or a Jet Ski ready to escape on the river but I HAVE A STRONG FEELING HE IS DEAD since there is no activity since the shooting.
At this point, I’m leaning to him being dead as well. We know he ended up at a river and likely took a boat. A jet ski might make too much noise. We no a neighbor nearby. Heard what sound like a gunshot shortly after the shooting while he was on the run. It could’ve been unrelated, or it was him shooting himself. If he did cross the river, he’s gonna end up in the middle of vast wilderness fairly quickly. Sure, you could survive in it, but it won’t be fun, leading me to believe he is probably dead.