Board Thread:Manga/@comment-5774380-20161007195718/@comment-27321453-20161009164216

Yes. They've specifically wanted kids because they're easier to manipulate and kids are taught to behave and obey their elders. They obey because they know no other way and have not lived and experienced enough to conclude on their own that there could be another way.

They also have an easier time slipping under the radar of most forms of security because no one wants to believe they could be anything other than what they appear to be. Nonthreatening.