But most often these violent, unthinkable crimes seemed to happen in America.

To take a human life was still the one unthinkable crime in this world of immortals-because you took not just one, but all a man's lives.

Without trivializing the killings they came to investigate, the film makers carefully study the tattered social fabric that is the backdrop for an unthinkable crime.

"The defendant committed the most unthinkable crime imaginable," Mr. Vomvolakis said.

I have committed an unthinkable crime by relying on your discretion and telling you all this-I can do no more.

For all the rage provoked by children who carry out unthinkable crimes, there are victims who allow the violence to transform them in constructive ways.

It seems an unthinkable crime: mothers killing their children.

But now the police say that a family cataclysm that became a textbook case of so-called crib deaths was an unthinkable crime.

We've had unthinkable crimes against children this year, more than enough for a few centuries.

But for me, the Sextons broke the true-crime book mold of the perfect family concealing unthinkable crimes.