tuesday on the eve of opening statements, john carreyou, the former "wall street journal" reporter saidgulatory agency officials, even him as witnesses. why would they want you? >> what's clear is that one of their lines of defense is going to be that this was a witch hunt. that the government engaged in a witch hunt against elizabeth holmes and that this journalist, john carreyou, formerly of the "wall street journal," was in league with the government. >> reporter: court papers also show holmes' attorneys will try to paint balwani as the mastermind, alleging he abused and controlled holmes including monitoring her calls, throwing sharp objects at her, and restricting her sleep. balwani has denied the allegations. but carreyou says -- >> this was a partnership of equals. and if anyone had the last say it was elizabeth. >> reporter: the trial is expected to last 13 weeks. anna werner, cbs news, san jose. >>> coming up on "cbs mornings," as we mark 20 years since the 9/11 attacks we'll hear the story of a father and two sons following in his footsteps. >>> anthony mason takes you behind