had one or more recording devices that he used to tape his phone calls from his office. three people said all are former high level employees who worked for trump over a span of three decades. they said they saw devices in use when recording calls. he knew trump had recorded a phone conversation with him because it was later entered into evidence in a lawsuit. in a state michael cohen said in the decade i have worked for trump, i have never seen a recording device attached to phone. nor aware of any conversation he taped add conversation. the president's conversation the tape exists cause agreement across the aisle saying he would need to turn them over to congress. >> if there are tapes they have to be turned over. can't be cute about tapes. if there's any tapes of this conversation, they need to be turned over. i doubt there are. this tweet has to be answered. i would advise the president not to tweet or comment about the investigation as was go forward. the russians did interfere in our elections.