It's the end of the month, so let's review. Some very basic math.
Four prior DUIs + Driving with a .21 at 70 m.p.h. = Hitting a motorcycle and killing someone = 15 years to life in prison.
Rebecca Vela learns this lesson the hard way. (Though not nearly as hard as the victim, Stanley Spaeth, learned it. They pulled him out of a tree, dead.)