If nothing else, Steven Warshak ran a memorable ad campaign. His “Smiling Bob” commercials on late-night TV featured a normal-looking guy enjoying normal-guy activities such as barbecuing and swimming. The entire time, a large smile remained plastered across his face. The ads explained that Bob is happy because he takes Enzyte, a pill for “natural male enhancement.”

For several years, Warshak profitably sold Enzyte and other herbal supplements through his Cincinnati-based company, Berkeley Premium Nutraceuticals, but the whole operation turned out to be a massive fraud.