A texas teenager is in custody. The f. B. I. Says he was plotting an isisinspired attack. This is the cbs evening news with jeff glor. Glor this is our western edition. We are going to begin with that deadly plane crash in georgia. An Air National Guard c130 cargo plane exploded in flames on a busy highway just after takeoff from savannah today. The crew of five and a small number of passengers were killed. Mark strassmann is on the scene. Wc reporter the Security Camera video shows the wc130 cargo plane bank left and nose dive behind a tree line. Witnesses heard two booms first the crash, then, even louder, an explosion. O ey said the earth shook. Holy. sirens reporter roger best got to the wreckage ahead of first responders. Reporter the crash, its cause unknown, happened at 11 30 in the morning, about a quarter mile away from a busy intersection. Gene bilbo is with the Chatham County sheriffs department. Reporter best believes its pilot saved lives on the ground. First of all, that