It's nothing like Minority Report. In that movies pre-cogs were able to see a murder before it happened. That was the only thing they could see too.
You did, however, get one thing right. It was a fantasy situation, right up until he attempted to solicit the sale of underage children for sex. That right there is his crime. If he would have keep it to himself, nothing would have happened to him. Instead this guy friggin flew to Florida in order to purchase these two girls. He set up a transaction with someone he thought was a mother to the effect that he'd pay her $550 to let him dunk her two girls. He wasn't tricked by law enforcement, he was caught.