reporter: investigators now looking into anyone who had contact with paddock, a high-stakes gam ler,ntant, amgens questioning paddock's girlfriend, marilou danley who returned to the u.s.. late tuesday. she is being called cooperative, but also a person of interest and has contacted a lawyer. >> a gentle soul. reporter: investigators are still working on potential motive. the fbi director saying today paddock did not leave any obvious thumbprints as survivors continue sharing their stories in cludding a tennessee woman whose husband died protecting her. >> he wrapped his arms around me from behind. we started running. and that is when i felt him get shot in the back. reporter: government says say paddock recently transferred $100,000 overseas and in recent weeks there were reports he was gam ling more than $10 the a day. in las vegas, caroline shively, fox news. bill: thank you, caroline. i want to dues you to a survivor of the massacre. thank you for joining me on "chasing news" i understand, were you at the concert with your pregnant girlfriend. tell bea happenedment how did you su

that are negatives, let's say we have a supposition that because he shot up the strip and he was a gam ler gambler, this was somehow financial related. we never had money problems and he didn't talk about money. the fact that that never came up in conversation is significant. it doesn't relate to his motive, it relates to taking something off the table, that's huge. >> taking stuff off the table is as important at this stage. >> yes. >>> thanks everyone. when we come back, our breaking news on the russia investigation. robert mueller's team met with the author of that controversial and somewhat salacious russia dossier last summer. we have details on that next. fothere's a seriousy boomers virus out there that's been almost forgotten. it's hepatitis c. one in 30 boomers has hep c, yet most don't even know it. because it can hide in your body for years without symptoms, and it's not tested for in routine blood work. the cdc recommends all baby boomers get tested. if you have hep c, it can be cured. for us it's time to get tested. ask your healthcare provider for the simple blood test. it's