jenna: why is it so important to find out who is behind it. >> at end of the day we will not know unless the documents come out 30 years from now or someone leaks it we won't be able to say who exactly did it. iran lost 900 sentra tpaoupbls, that extends the timeline here, it pushes the possibility of a crisis further down the road is a good thing. this is so the of like a detective mystery, you start with a body, the body is the set of sentra fudges that grew up and went arye. then you ask yourself, who has the capability and motivation. analysts say this virus was so sophisticated it was only a government who could have done it who had the proprietary information, and that points to motivation which is either the u.s. israel or associated countries. jenna: we talked about how this year it's really important for iran-phrerpb relations, and