Imagine a cop car driving up to your house at 3 am, walking to your door, and telling you "Your child was killed in a car crash." It's a parent's worst nightmare. At your lowest of lows, there's nothing you wouldn't do to make it all go away, to turn back time, or to make it all a mistake. For these Alaskan parents, the impossible just happened. Alaskan parents Karen and Jay Priest woke during the night to the news of their son Justin's death in a car accident. Bill Roth/ADN They were told that he was killed after crashing...