Been posted many times. There are several different versions out, same fake letter with different cities being listed as to where it took place.
If it really did happen and the person posted the letter, they put themselves in deep doo-doo. They admitted to theft as well as credit card fraud:
vandalism:I went and filled up my gas tank as well as those of four other people in the gas station, -- on your credit card. The guy with the big motor home took 150 gallons and was extremely grateful!
terrorist threats:I then threw your wallet into the big pink "pimp mobile" that was parked at the curb .... after I broke the windshield and side window and keyed the entire driver's side of the car.
and probably many other charges I haven't thought of.Earlier, I managed to get in two threatening phone calls to the DA's office and one to the FBI, while mentioning President Obama as my possible target.