they hope to achieve by doing that? >> reporter: i think from a taliban pr this is a major coup. they've secured their most highly sought after captives from guantanamo bay. they see this as a public relations picture. i think that's why they've been so up front in putting this exchange to see that, you know, this was a deal that was done with the united states. in terms -- i think bowe bergdahl from here on in, one of the things that's going to be, you know, addressed during his period perhaps here in germany, what the circumstances were of his capture. it's already been established by american officials that he apparently left his station in afghanistan back in 2009 deliberately and of his own