The guys from the Typo Eradication Advancement League, or TEAL, who toured the country for several months wiping out typos in their path, were sentenced to probation and banned from national parks for a year for defacing a 60-year-old sign at Grand Canyon National Park.
http://news.yahoo.com/s/ap/20080822/ap_on_fe_st/odd_sign_vandals;_ylt=AjNMcZScf7O4IqrRDiL6T5ntiBIF
http://news.yahoo.com/s/ap/20080822/ap_on_fe_st/odd_sign_vandals;_ylt=AjNMcZScf7O4IqrRDiL6T5ntiBIF