There is nothing worse than exploiting a child. But for thousands of foster children this is a reality, because some people take in children just to get the money.
In this video, a group of researchers set up a test situation to find out how bystanders would react as a "foster mom" abused her "foster son" in public, while treating her biological daughter like a princess. Deceptive tests like this, especially when captured on video, are always manipulative since the strangers don't know they're being tested. And yet... their reactions are incredible: