bill: william lajeunesse in l.a.ight 370 expand to an area malaysia calls the size of australia. it's mind boggling to imagine there are so many countries searching for this plane and we have not seen one single clue, not one piece of wreckage. the controversy over how malaysia has handled this is big news in china. 154 of the 239 people are chinese nationals. china is deploying a do you the lights in search of this plane. them say they have found no link to terrorism among their citizens on that flight. >> reporter: french nationals have arrived in kuala lumpur. but the french are quick to point out this case and this mystery is a lot more difficult. >> it's more difficult because in the case of france we had some signals from the aircraft. and in this case here we have no broadcasting, so that's a big difference. bill: in the air france disaster search crews had a better read on where to look for that flight number 447. not what you have here. debris and the fir bodies were recovered within five days of that plane'

william lajeunesse has more. >> they getting crime guns off the street. some stores opened across from schools and churches against policy. agents attracted juveniles with free video games and alcohol. in one case paid two informants one mentally deficient to get tattoos on their neck with a squid smoking a joint to add ties for the store. the agency admits the states but defended the operation. >> you see the operation was extremely flawed would be a vast under statement. it was the will top of the operation. >> it enhances the public safety, the under cover agent's safety and is able to get good evidence on audio and vit yo. we keep refining and retooling to enhance getting violent criminals off the street. >> when you get in the gutter with thugs and gang bangers you are going to get dirty. they bust a man offering to be a hit man for exchange for meth and a machine gun. >> in another he buys pipe bombs from a man who giggles as he gets paid with bills. >> nationwide atf arrested some 300 suspects and recovered 1300 weapons in operation fearless. they

william lajeunesse looks at what we've learned about the captain, the copilot and what was happeningt cockpit. >> reporter: megyn, one plane, 239 lives, dependent on the character judgment and expertise of these pilots. deliberate or accident? what happened on flight 370 will always reflect on what these two men did or did not do. 53-year-old captain shah joined the airline in 1981. 18,000 hours of experience. he also built a home flight simulator. police later seized to retrieve files deleted on february 3. files which could show he practiced how to steal this plane, or he may have simply cleaned his hard drive. he's also suspect for his politics. just hours before he took control of flight 370, the government sentenced distant relative and opposition leader to jail. to some, meaningless. to others, a motive. >> this all leads towards the cockpit with the pilot himself and copilot. >> reporter: also in focus, first officer hamid, age 27. he joined malaysian air five years ago and just graduated to the 777. it's his voice last heard before the plane disappears. no sense of distress.

william lajeunesse joins us in los angeles. how did they get the wrong spot? >> reporter: remember the big arc we showed you last week? they are saying the plane is still on that arc but it's farther north. they crunched the data and determined the jet was going faster and burning more fuel. see the new area is about the size of new members co-where the currents are as strong -- sighs of new mexico where the currents aren't as strong. new zealand airlines says one of its search planes did spot something that could be a part of the plane. it's white in color. it's not coming from satellite data but from human eyes on the ground. >> this is a very large area. and it could give us an indication of where the main wreckage is likely to be. >> reporter: five aircraft reports spotting multiple objects in the water. this is as a result of searches done friday. an australian airplane says it saw two blue or gray rectangular objects in the ocean and they are going to go out to acquire this stuff. martha: the water is very rough out there. how can they be sure they won't