We don't know why Bowe Bergdahl walked off his base, leaving his fellow soldiers and his weapon behind. Retired Sergeant Josh Korder was in Bergdahl's platoon when he was captured. Sgt. Korder explains to Anderson why he and other soldiers were not surprised to hear it was Bergdahl who disappeared after learning someone was missing.
Pamela Brown takes a closer look at Bowe Bergdahl's time in the military.
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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