Creepy pedophiles are not entitled to any more vigorous protection than a girl with a creepy ex boyfriend recieves.
Let him have a document on file at the police station.
Be reasonable! Let him carry a copy of the restraining order as well...
Here’s a link to another story about his scholarly work, with people defending either Amazon or him, or something.
http://www.freerepublic.com/focus/news/2625585/posts?page=49
Pedophile Guide on Amazon is Just the Tip of the Iceberg