the u.s. mahmud durrani told us that he's never seen u.s./pakistani relations worse. can this relationship survive this? >> i think this is kind of something which has sickened the relationship right on its foundation and the foundation of this relationship, i'm afraid, was weak. >> reporter: pakistani officials tell us that the u.s. is now demanding the identities of specific intelligence agents. as it investigates pakistani involvement. jim sciutto, abc news, islamabad. and president obama is providing new details into that raid that killed bin laden. he told "60 minutes" that the raid was the longest 40 minutes of his life with the possible exception of when his daughter became seriously ill and he says the mission was carried out in the utmost secrecy. >> very few people in the white house knew. the vast majority of my most senior aides did not know that we were doing this and you know