committed to seeing this to the end and we're seeing that our country is protected. >> reporter: now shane todd'sodd family's speculation telling abc news that neither ime nor shane were involved in any classified research project with china and that they deeply grieve the loss. amy? >> john muller, thanks so much. >>> for more let's bring in dan abrams and, dan, singapore and the u.s. are on friendly terms, in fact, the prime minister will be meeting with obama later today, but that said, how much influence do u.s. officials have in singapore? >> it's not like the singaporen authorities want the fbi there. it's not like they're calling and saying, you know what would be great, to get the fbi's help. it involved diplomacy, getting access to the right people, talking to the right people and now the authorities there are saying, look, we welcome the fbi's help. the question is going to be, is that just lip service or are they actually working with the fbi on this? >> we just heard what shane todd's parents have to say going over specific details saying there was evidence of a struggle, what the sin