The only escape can be if he can convince a jury that he had no idea an
accident occurred.
It is possible to hit an object at high speed in the night time and not know
what it was.
Where I live the waters lurk with large tree trunks, lumber, entire trees.
I'm guessing Havasu has little of this stuff.
And, yes we're all convinced he'd been drinking.
Odd how this one ingredient can literrally shock one's mind into making a
terrible descision.