http : //www.youtube.com/watch ? v=ltp2t9nq9fi [ 192 ] first responder , kevin mcpadden recalls the countdown here : http : //www.infowars.com/articles/sept11/first_responders_heard_wtc_7_demo_countdown.htm [ 193 ] fox news report http : //www.youtube.com/watch ? v=rhfdcpv3xxi [ 194 ] ceo with hq based in wtc arrived with others at offutt air force base for a charity event hosted by warren buffett .