A Rowlett, Texas, man was accused on Monday of sending more than 500 letters containing white powder to government offices, schools, and other locations since December 2008. The suspect — Hong Minh Truong, 66 — was charged with false information and hoaxes. One batch of the mailings included a letter stating, "Al Qaeda back! Special thing for you. What the hell where are you Scooby Doo." Read more at The Star-Telegram.