from michael cohen's paper shredder on his encrypted messages tweeting this. so much for encryption protection. what are you implying here? >> what i'm implying is really that's not directed to michael cohen, per se, but there's a lot of people around the country that rely on these apps for encrypted communication. when i received that letter and the government disclosed that they had been able to decrypt those communications and produce over 700 pages relating to michael cohen's communications that he thought were encrypted, i thought that was rather stunning. michael cohen is not using encrypted applications to communicate with family members about the ball game. those communications are going to prove to be incredibly damaging, i predict, to michael cohen and ultimately perhaps the president. >> how important do you believe these shreds and encrypted documents could be to your case? >> i think they could be