Remember that couple in Maryland who got in trouble for letting their children walk home from the park without parental supervision, and had to endure threats from police and Child Protective Services? Yesterday, those authorities stepped way over the line when they found the two kids (10 and 6) at a park and, without notifying mom or dad, took them away for several hours. You can imagine the panic the parents felt when they couldn't find their kids.
If the cops and CPS wanted the Meitiv children to learn that strangers could come and take them away at any time against their will, mission accomplished. Seems to me that they -- and the Gladys Kravitz in the neighborhood who called police because she saw two unaccompanied children playing outside -- are the real Stranger Danger.