Let's get to the bottom of this.  As David Caruso (Horatio Caine) of C.S.I. Miami would say this looks like an "inside job."  Yes, I think the circumstantial evidence is damning and someone should take a look at this gal and her WaPo reporter husband. Yeah, I'm talking to you Chief Justice John Roberts.  What is the quote by all crime shows?  Motive, and opportunity.  I rest my case.