This is incredible.
Brandon Neely, a former Guantanomo Prison Guard, decided to join Facebook and upon signing up, begun searching for former army acquaintances. He came upon the profile of Shafiq Rasul, a former prisoner and decided to send him a message. To his astonishment, he received a reply.
The initial message spun into a longer conversation, eventually resulting in a face-to-face meeting. Full article and video.