There cannot be enough warnings about being careful with Internet dating. Never go on a first date alone with someone only encountered online, and other tips like that are good advice. But there's another important lesson in the Internet dating story gone horrible wrong on this week's "Dates From Hell" (Wed., 10 p.m. ET on ID).Gilles Tetreault found what he thought was a great match online. But when he went to meet the woman for their ...