You're stopped on the Long Island Expressway near Exit 49 when a fully loaded tractor-trailer drifts into your lane and hits you at highway speed. The next four hours are a blur of sirens, a backboard, a Stony Brook ER, and a CT scan that shows internal bleeding. While you're in surgery, three people you've never heard of are already standing on the shoulder of the LIE in reflective vests: a private investigator, an accident reconstructionist, and an adjuster from the truckin