this morning on "world news now" -- troubled terrorist. the secrets of osama bin laden finally revealed. >> bin laden's private files confiscated when he was killed were just opened to the public. it's friday, may 4th. >> announcer: from abc news, this is "world news now." >> good friday morning, everybody. it is friday. that always feels good, doesn't it? i'm rob nelson. >> i'm sunny hostin in for paula faris. osama bin laden wrote about his concerns while trying to plot new attacks on the u.s. one method he considered, setting wildfires to burn across the country, but there were these threats -- were these threats that serious? >> it's weird all the dry conditions around the country because of that mild winter and,