The key is to be familiar enough with these communities, to know and be trusted enough by their leaders, so those man and women will alert law enforcers when someone appears to have become radicalized.

WSJ: Review & Outlook: The Brothers Tsarnaev

So far, law enforcement officials have not learned the name or location of the man suspected in the Jane Doe abuse case, and they are still seeking the public's help in finding him.

CNN: STORY HIGHLIGHTS

Harold wanted his son to be tough, but he also insisted that he be honest, and he harped on the issue so relentlessly never cheat another man, never steal, never try to bend the law that Rudy sometimes thought he was overdoing it.

NEWYORKER: Mayberry Man

And so the question, in part, is whether or not they can actually prosecute this man under the law as it is written now.

NPR: Supreme Court Considers 'Valdez' Fine