So, the FBI is offering a reward of $150,000 in their search for the person responsible for mailing 380 letters over the past four years. Each letter contained a white powdered substance that was not anthrax, but resembled anthrax in that it was white and powdery.

According to the FBI website:

During the week of May 7, 2012, over 20 letters containing white powder were received by early childhood development centers, elementary schools, and an aerospace-related business. 

The most recent batch of letters contained this Scooby-Doo-rich gem:

Try singing this to the tune of the Scooby Doo song. It works better than you might think.

The FBI has also helpfully published a profile of the suspect, just like on Criminal Minds. The profile lists seven characteristics, which could have been presented much more succinctly by simply stating that the mailer was a Ron Paul supporter:

The difference with this guy is that he is doing IRL what most Ron Paul supporters only do in internet comment threads.

via Boing Boing.