They fly into chaotic areas (like haiti, which is an area struck with a natural ( (((natural?))) ) disater. This area is host to many orphans.
Kidnapping these children is easy, since there are no relatives or family. Also, the area itself is a wasteland
Isolated from everything, these poor children can be taken quite freely and without question, especially under the guise of "good faith and the righteous word"
Children like this vanish easily and thus are in high demand because no strings attached.
This, indeed, will pose a challenge\
One, we will naturally overcome
We know, because
Trust the PLAN
But hey, if you need help,
I WILL BE WITH YOU TO TILL THE END!!