Finally tonight, america strong. the u.p.s. worker and the special delivery. u.p.s. driver dave weingardt has delivered packages to thousands of homes in colorado for more than 30 years. >> and i've been driving down here for a long time. >> reporter: but there is one young man he developed a special bond with, 16-year-old u.p.s. fan caleb lambert. >> caleb came into my life at that point for a special reason. >> he was born with a congenital brain defect. it causes his intellectual disabilities as well as severe seizures. >> reporter: dave immediately bonding with caleb when he realized he sh...