Who are you kidding???
There have been a lot of Generals in history who were in need of conviction — in more ways than one.
MH370 emergency locator transmitters:
http://edition.cnn.com/video/data/2.0/video/world/2014/04/19/erin-robertson-malaysia-plane-left-turn.cnn.html
Failure to activate may mean that it landed in a controlled way