By Sarah K. Burris A fake billionaire was blasted by a federal judge on Tuesday, calling him an “economic danger” to the American public. CNBC reported that Justin Costello was denied bail by U.S. Magistrate Judge Daniel Butcher, who called him a “serious” flight risk. Costello is accused of bilking people out of $35 million, with multiple counts of securities and wire fraud, a criminal indictment says. The scheme involved penny stocks, shell companies and a banking firm doing business with cannabis companies. He faces a recommended 27 to 34 years in federal sentencing guidelines if he’s convi…