. >> reporter: diane massaroli lost her husband michael at ground zero. she watched the televised ceremony with her two children. diane said she had been critical of president obama who she thought had not achieved anything in the fight against terrorism. her husband, michael, worked in brokerage, 30 years old at the time. for diane it's been a long, painful ten years in his absence. when diane heard about the news of the death of bin laden, she brought michael's picture and went to ground zero. >> usa! usa! usa! usa! >> i was happy that all those people were there. >> reporter: this changed her views of the president. >> i was not a supporter. but i have a new found respect, definitely. i can't say end this, because it's never going to end, but it definitely puts like a cap on part of it. and i definitely feel better. >> reporter: there had been harsh criticism among the surviving families against obama who had never been to ground zero as president before. but now that seems to have changed. with the death of the mastermind of 9/11 attacks, many express