Authorities have arrested 255 alleged child predators in the United States and eight other countries in an operation led by a U.S. agency that illustrated a growing trend called "sextortion" in which children are blackmailed into providing pornographic images of themselves, officials said on Monday.

http://www.reuters.com/article/2013/07/15/us-usa-arrests-childpredators-idUSBRE96E0PR20130715
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