An interesting fact in this article regarding the two stolen passports:
http://www.cnn.com/2014/03/09/world/...html?hpt=hp_t1
The two passengers who used the passports in question appear to have bought their tickets together.
Now, that could just mean that they're people traveling illegally and that they both bought stolen passports together, but it's nonetheless interesting even if it has nothing to do with terrorism.