Charles Stuart called police with a desperate plea. He and his pregnant wife, Carol, had been attacked on their way home from a birthing class in Boston. As police rush to their aid, Stuart tells them they were carjacked, robbed, and shot. Carol doesn’t survive, nor does their unborn baby, Christopher. This episode follows the incredible three-month manhunt and investigation to find Carol and Christopher’s killer. The story’s shocking twists and turns would leave the city shaken for decades.