bill neeley, nbc news, jindo, korea. >>> on mt. everest tonight, the search was called off for three missing guides after the deadliest avalanche there in recorded history. at least 13 guides were killed as they prepared for climbing season. we get the latest tonight on how this tragedy is affecting a little-known community of mountain guides from nbc's ron allen. >> reporter: at a temple in new york, sherpas seak strength. her brother ben was killed on mt. everest's deadliest day. what was going to be his final trip because of the danger well known to the family. her older brother died on everest 20 years ago. now she mourns again. did you always worry something like this might happen, an accident on the mountain? >> yes. >> reporter: you did? >> yeah, i did. i've been so sad. i miss him. >> reporter: a husband and father following tradition. sherpas, the local ethnic group and a common last name, leading the way to the highest summit. a guide can earn $5,000 in the three-month season. otherwise, $700 is a typical year's pay. >> i

chief global correspondent bill neeley filed this report. >> reporter: the pace of the investigation recovery of the bodies is quickening here. more crew men have been detained and investigators are now talking to six of them, including one who tried to kill himself under pressure from the investigators and under fire from the whole accused of failing them to help south korea's accident, accusing the captain and crew of acting in a murderous way. they are trying to piece together a timeline of what happened on the ship using text messages and phone calls from the ship and it's been revealed the very first emergency call from the ferry was made not by the crew but by a very frightened young boy who rang police saying, save us, i'm on a ship and i think it's sinking. he made that call three minutes after the ship got into trouble, very sadly that boy whose name is choi was one of the missing. his call was followed by the calls from 20 other teenagers. as for the crew, it's a picture of chaos and confuse as with any ferry, the crew is split between the service crew, people like cooks an

bill neeley in south korea, thanks so much. the story gets sadder by the moment. you feel their anguish and anger. >> absolutely. i can't put myself in their shoes. tough one. >>> jenna has the other top stories. >> good morning. good morning, everyone. the search for malaysian flight 370 is at a critical stage today. officials say it's crucial to find some sign of the missing plane this weekend. check out these pictures which shows the unmanned sub preparing to go back in the water. if nothing is found, the sub may have to begin searching a larger area. terrifying new pictures now from the exact moment when a wall of ice came down on mt. everest. dozens of nepalese sherpas were going through a dangerous path when the avalanche killed 13 people. climbing is suspended while the search goes on for three missing sherpas. >>> there's a looming threat this morning over a wyoming resort town. a slow-moving landslide is beginning to tear homes apart as the residents watch and wait for a mountainside to come down. >> reporter: video taken from the air shows a fractured hi

as bill neeley reports, many families are clearly losing patience. >> reporter: there were scuffles asnfront korean officials looking for someone to blame for this disaster. please help us, she cries. someone help us. the boats are coming ashore more often now. nearly every body that of a 16 or 17-year-old. divers have now found five ways into the ship breaking windows, installing ropes, hundreds of them scouring the ship. so far only one in six of those trapped inside has been recovered. for the parents, it is a long and painful wait watching the dock that's been prepared for the arrival for many more of their children. >> and two "new york times" stories on this yesterday. just heart breaking talking about the tradition of captains going down with their ships and leaving at the last possible second. one historical story after another after another about captains refusing to leave until there is absolutely no other option. this guy skipped off. and then of course the end of the story about the 22-year-old woman, young crew mate woman who kept saving these young kids and getting them s