we're getting closer and closer to drop dead deadlines. >> the strongest case is the one we have before us today which is dr. christine blasey ford. no eyewitness account. the people that she put at the party have said they don't recall the party. but what do you do, for example, with an anonymous letter sent to senator corey gardner that allegations anon mussily that he saw her push her into a wall 20 years ago. how do you work through that? >> so there is nothing unusual about being in that position for investigators. many tips come through in an investigative action. there are ways they have of ferreting out who is involved,