WWMT - wwmt.com - Search Results The following is an archived video story. The text content of that video story is available below for reference. The original video has been deleted and is no longer available. Businessman sues casino over drunken gambling spreeLAS VEGAS (NEWSCHANNEL 3) - A California businessman is suing a Las Vegas casino for letting him gamble away half a million dollars while drunk."Playing on credit is out of the ordinary for Mr. Johnston in the first place. Drinking to point of intoxication is out of the ordinary for Mr. Johnston," said his lawyer Sean Lyttle. Mark Johnston says he was blackout drunk when he visited the Downtown Grand back on Super Bowl weekend.His lawsuit claims the casino loaned him money and kept serving him drinks, even though it was very obvious he was drunk, which is against Nevada law.Johnston put a stop-payment order on casino credits the Grand issued after he says the casino took money out of his bank account to settle the debt.The state Gaming Control Board is now investigating.