WASHINGTON POST - Apr 20 - David Messerschmitt, the intellectual-property lawyer, was found stabbed to death inside a room at a hotel in Washington after he had posted on Craigslist seeking sex with men. Craigslist grew to be one of the largest players in online dating for men. The secrecy meshed well for men in the closet or those seeking immediate sex. "That was exciting. That was discovering. That was also very dangerous," said Mark Brooks, a longtime online dating consultant and president of the Internet Dating Executive Alliance. Although Craigslist's anonymity can make it a draw for predators, Jonathan Crutchley, a founder of Manhunt, said all online dating sites have deceptive users looking to commit crimes. "It's the dark side of the business, but it's the truth."