CNN The Situation Room July 10, 2015 21:09:00
Theyve been trained on the verbal coats to use. they know what to say to controllers if something nefarious is happening. they know all about evading radar detection. you can imagine a full-fledged isis member or follower with those skills piloting a commercial plane with hundreds of people on board if it ever came to that. again, we have no evidence that these two are at that level. they are simply sympathizers according to the indonesian police chief, but its the potential for what could happe...
Source: archive.org