Few things resonate more than the Castle Doctrine, the right of a homeowner to defend his home and family from attack.  When it turns out that the invaders wear shields, the homeowner's defense turns from an inalienable right to controversial.  So controversial that homeowner Marvin Louis Guy faces the death penalty for the killing of Det. Chuck Dinwiddie.  Had Dinwiddie not been a cop, Guy might have gotten a medal instead....