half a day to turn the ship around. the aggressigrief and outra south korean's disaster because of the behavior of some crew members. 193 people now confirmed dead in the sinking of the ferry. many of them high school students. 109 still missing as divers don't retrieve bodies from the vessel. there are new perspectives on the disaster with release of the audio. >> reporter: this is the video that has south koreans outraged. the captain of the sinking ferry scrambling off his stricken vessel in his underwear. these are the men who rescued him. speaking about it for the first time, explaining they had no idea who he was. >> translator: no, absolutely not. i didn't find out until later. >> reporter: the real thrust of the questions, why was the