It was just a routine workers’ compensation fraud case for Ken Sheppard. Show up for a spot check, do some surveillance of the subject and keep it pushing. But on March 3, 2014, it was anything but routine for the renowned private investigator known for busting reality TV series “Bridezillas” star Anita Maxwell for insurance fraud. On location in Montrose, California, a city with just under 20,000 residents and less than one percent of them African-American, Mr. Sheppard was conducting regular s