this is bob and jamie bergdahl. boise, idaho parents of bowe bergdahl. yesterday in the rose garden as they stood with president obama. we're going to initially hear from colonel tim mersano from the idaho national guard. >> i've been assisting them for years with matters large and small. i'd like to say that it's been one of the great honors of my own career do assist this soldier's family during their time of need. i know major hickey and doc pop lin feel the same way. we welcome the media who have supported the p.o.w./mia cause. i know bob and jana have some more words on that those of us who serve in the uniform have grieved with the families of our brothers and sister who is made the ultimate sacrifice and we share the agony of those who come back from our wars with physical and mental scars. our thoughts are with them always. but today we have the opportunity to share in the joy of one family whose son is coming home to them. the bergdahls have been through an ordeal the rest of us can only imagine and we're glad for their happy outcome. ladies and

special agent informing cnn this weekend they're working to investigate threats against bob and jamie bergdahl. carl penhall is in germany where bowe bergdahl is still being treated. when's the latest on the threats against his parents and how bowe bergdahl is doing and if he knows about this firestorm? >> reporter: well, that is really just the latest twist in a story that's got so many levels, hasn't it, fredericka? what the fbi official said that, yes, they are taking very seriously these threats against bergdahl's family. we understand that there are multiple threats. we don't know exactly how many. and that so far the fbi hasn't been telling us where those threats have come from. but looking at this from the outside, it really does seem to be a reflection of an american society that sent its young men to war without really understanding the psychological problems that could be under, about the physical dangers they would be under and once the american public realized it's not black and white but shades of gray and looking at bowe bergdahl as a lightning rod instead of really questioning,

. >> this morning, i called bob and jamie bergdahl and told them that after nearly five years in captivity, their son, bowe, is coming home. >> reporter: but the moment belonged to the bergdahls. >> i'd like to say to bowe right now who's having trouble speaking english -- [ speaking in foreign language ] i'm your father, bowe. >> reporter: the bergdahls will have to wait a little longer to say those words in person. their son is heading home after an unimaginable journey. >> my name is bowe bergdahl. >> reporter: this hostage video was the first glimpse of bergdahl surfacing just after his captor five years ago. but today, freedom, after a dramatic handoff in eastern afghanistan where several dozen u.s. special ops forces met with the taliban to secure his release. once inside the helicopter, bergdahl wrote on a paper plate, s.f. asking if the men were special forces. when one replied "yes," bergdahl reportedly broke down. >> i just want to say thank you to everyone who has supported bowe. >> reporter: in exchange for bergdahl the u.s. agreed to release five afghan detainees from guantana