judge the angle from which the signals came. with that, i turn to some of the best minds in aviation and air investigations. john lucic joins me here in new york, former commercial pilot, former criminal investigator and founder of the high-tech crime network. and richard quest, our aviation expert here at cnn. and then also from denver, on the left-hand side of your screen, we're joined by former air accident investigator, david souci. bare with me. i want to nail down some key issues about the time line, the events as we know them. they have changed. they have changed since the beginning, so a reset. it's monday, things are new now. at 12:41 a.m. local time, flight 370 departs kuala lumpur en route to beijing. that much is the same. at 1:07:00 a.m., the plane's acars system, the data transmission system, it transmits for the very last time. then at 1:19 a.m., someone in