Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
A look at Obama's immigration plan. Plus, how long Takata knew of problems with its airbags.
(CNN) – The phone of the co-pilot of Malaysia Airlines Flight 370 was on and made contact with a cell tower in Malaysia about the time the plane disappeared from radar, a U.S. official told CNN on Monday.
How unusual is it for a pilot to have his phone on in-flight, and what is the next step in this investigation?
CEO of U.S. Geospatial Intelligence Foundation Keith Masback and Four Winds Consulting aviation consultant John Gadzinski discuss.