shane and shannon bauer after shane's release from two years in prison in iran on spying charges.r is convinced her brother's arrest and conviction were pure politics. >> i don't think at all that iran ever thought they were spies. and that it's so much has to do with relationships between two countries. >> shane bauer and josh fattal were jailed after allegedly crossing into iran while hiking in iraq. they were released after two years in prison. >>> it's an amazing underwater discovery worth hundreds of millions of dollars. and now a team of treasure hunters is working to recover what may be the biggest ship wreck haul ever. cnn has the story. >> an eerie scene from the bottom of the scene. here lies the british cargo steamer that was torpedoed by a nazi u-boat in 141 taking all but one of the 84 people onboard its in precious cargo to a watery grave. using deep water robots, florida hunters, auoddsy marine exploration. they went down carrying 200 tons of silver, now valued at $210 million. making this a highly sought after salvage. >> and you know what, if the tea hasn't floate