david beamer the father of united flight 93 hero todd beam letter join us next. he is the guy that said let's roll. it was nearly ten years agoo a bright september day was darkened by the worst attack. the twin towers collapse together ground. nearly 3,000 citizens taken from us. on that day no matter where we came from what god we prayed to, what race or ethnicity we were, we were united as one american family. ever i can't get rid of these weeds, or these nasal allergies. i know what works differently than ny other allergy medications. omnas. omnaris. to the nose! did you know nasalymptoms like congestion can be caused by allergic inflammation? omnaris relieves your symptoms by fighting inflammation. side effects may include headache, nosebed and se throat. [ inhales deeply ] i nipped my allergy symptoms in the bud. omnaris. ask your doctor. battling nasal allergy symptoms? omnaris combats the cause. get omnaris for only $11 atomnaris.com. >> just moments before hijacked united flight 93 was taken over by courageous passengers and crashed into the ground in sha

. >> reporter: david beamer's son todd became a modern-day folk hero when he rallied his fellow passengerst 93 and tried to overtake the hijackers saying "let's roll." the plane instead crashed in a field in shanksville, pennsylvania. todd's father said his son was killed inÑi the line of duty-- doing the right thing.Ñi he was as elated by the news that the 40 navy seals had survived as he was by the fact that osama bin laden had died. >> osama bin laden has met his american jusz. and in addition he's met divine justice. i'm a christian; todd was a christian. we believe there's a heaven and a hell. i don't know what's's believed, but now he knows.ñtr >> i understand that it is a good day, you know, for americai and for the families that lost loved ones that day. >> couric: anthoula katsimatides's loved one was for her 31-year-oldÑi brother john. she says she wasn't prepared for the emotion this day would bring. >> in the beginning i was crying and didn't understand why because you think that after ten years the tears will stop coming but they don't. they don't.Ñi i miss him like i missed h

. >> reporter: david beamer's son todd became a modern-day folk hero when he rallied his fellow passengers flight 93 and tried to overtake the hijackers saying "let's roll." the plane instead crashed in a field in shanksville, pennsylvania. todd's father said his son was killed inÑi the line of duty-- doing the right thing.Ñi he was as elated by the news that the 40 navy seals had survived as he was by the fact that osama bin laden had died. >> osama bin laden has met his american jusz. and in addition he's met divine justice. i'm a christian; todd was a christian. we believe there's a heaven and a hell. i don't know what's's believed, but now he knows.ñtr >> i understand that it is a good day, you know, for americai and for the families that lost loved ones that day. >> couric: anthoula katsimatides's loved one was for her 31-year-oldÑi brother john. she says she wasn't prepared for the emotion this day would bring. >> in the beginning i was crying and didn't understand why because you think that after ten years the tears will stop coming but they don't. they don't.Ñi i miss him like i mi