>> i don't know. >> that scene from "homeland" feels like one right out of hollywood. there may be truth to it. for the first time dick cheney revealing he's worried the same thing could happen to him and had the doctors disable the wireless function of his pacemaker. can it really happened? joined by morgan wright. could someone hack into a pacemaker at any time? >> not only can they, they've already done that about a year ago. a security researcher by the name of barnaby jack did a proof of concept demonstration and made an insulin pump dump a load which could be fatal and was able to deliver an 830 volt shock to the heart by attacking the pacemaker because they use wireless signals to control the work of the pacemaker. >> how do you know if it's happening to you? >> unfortunately you've had dr. michael baden on the show many times, forensic