&gt;selling people<p>You say that like it&#x27;s even remotely comparable or germaine.  A big fat red herring is what this is.<p>Returning to the point, you may not like it, but the law says it&#x27;s legal to set up sting operations by serving child pornography.  The ethics are certainly debatable, but you have your answer as to why it&#x27;s being done:  CP is a commodity, not a physical person, and that&#x27;s fair game for law-enforcement in the same way as guns, drugs and blood-diamonds are fair game.