that the 227 passengers have all been cleared by the malaysian investigators. is it reasonable that they could have been cleared in that amount of time if the process was handled competently? >> i think it would normally take just a little bit longer to do a thorough search. like any investigation of all of those individuals, you can go deeper and deeper and deeper. so it all depends on what they call a clearance for these individuals that they had been cleared. how deep did they go? did they just do a basic criminal check? did they do an intensive check on telephone records? did they do an intensive check on the travels of these individuals? so it all depends on what they consider that these passengers have been cleared. >> what would you consider cleared to mean in fbi speak? >> so in this type of investigation, initially we will probably just do a basic search. and then when this mystery is going on for as long as it has we will do further checks, including e-mails, telephone