People in all sorts of desperate situations find different ways to get their needs and goals met. You might not think that you are a theif, but go hungry enough and you might change your stance. Simply being on such a refugee journey can get you certain contacts for this sort of thing, I'm guessing, and as the previous poster mentioned, the internet and technology makes things much easier.

In addition, folks work and walk alongside criminals (who may or may not have gotten caught) every day, and they don't realize it. Stereotypes generally aren't true, and some have less truth than others. Not everyone is doing technically criminal things to hurt others, nor are outwardly bad folks.