john. >> john: for more, bring in frank lovridge, super visor on the president's detail. the agent who encountered crooks on the roof of the building, hanging on by two arms. he got on the tactical channel and alerted everybody on the channel, this is what he said. >> relayed directly to everybody on the same channel at the event. i can't confirm or deny that secret service was part of that. my understanding is everybody working actual security detail could hear anybody who was affixed to the tactical channel. >> john: call went out on a tactical channel there was a guy on a roof aiming toward the president, why didn't the call go out to get the president down? >> thank you for having me on the show today. address that question is what we plan to do in secret service, what is part of methodology is put representatives in our security room and monitor their network and relay that to our people who are on encrypted system that is closed. if information is not properly relayed and i don't know if it was or wasn't, information would not go out over our network and we would no