John Higgins, college basketball referee and owner of Omaha's Weatherguard roofing, says that attacks by Kentucky basketball fans angry at some of his calls after he officiated an Elite 8 basketball game, led him to consider ending his career as a referee. The angry fans left bad online reviews about his business and caused him concern about his safety and that of his family and employees. John told us what steps he now has to take to repair the damage.