Just my 2 cents. There are myriad criminal and civil statutes that apply to one or more of this cretin's acts. Prosecuting would be the easy part. Finding him, well, the FReeper who can pull that off will go into the FReeper Hall of Fame next to Buckhead.
Imagine that. Me and Buckhead in the same restaurant Hall of Fame. :o)
Other than outright hacking which was not done in this case, the ONLY successful "prosecutions" I'm aware of remotely resembling this situation are a few cases where someone defamed a (profit-making) company on bulletin boards thus reducing their stock price, etc; they were civil cases and the companies were able to show financial losses because of the postings, etc.
There are myriad criminal and civil statutes that apply to one or more of this cretin's acts.
Are there? (no flame just asking) Where would he/she/it be prosecuted? Where they sent it from, where the servers are, federal or state laws?