and dan marinno making serious allegations against the nfl. and we'll break that down for you. >>> we have a fox new alert. new questions about sergeant bergdahl's time in afghanistan. he left behind a note. there is more questions about the prisoner exchange. welcome to this new hour of happening now. >> authorities are interested to again with. >> and i am jenny lee and a pair of powerful senate committees meeting behind closed doors to examine the swap in detail. president obama releasing five taliban commanders and raising concern that they could pose a risk to the national security. jennifer griffin has more for us live in the pentagon and over the last hour or two. you found out interesting information about what bo bergdahl left behind. >> reporter: according to the members of the unit debriefed by the army, there was a letter in which he was dislugtioned by the u.s. army. and wanted to renounce his u.s. citizenship. and the letter is presumably part of a evidence and part of a classified investigation. the army roached out to former me