Towards the end of Season 1 of Homeland, Brody makes his suicide video and places it in a secret dead drop point. After deciding to not go through with his suicide, he tries to recover the video only to discover it is gone and Walker is there instead. He finishes Walker off and returns home.
In the beginning of Season 2, however, the video turns up in Beirut and is the CIA's primary bargaining chip against Brody to turn him back to their side.
However, it is unclear who exactly grabbed the video as the diplomat working for Nazir was already dead, Walker appeared to not have it, and obviously Brody did not have it.
So the question is, who grabbed it? Are we to assume it was just some random henchman that grabbed it or even perhaps Roya?