Three Biggest Online Gambling Sites Shut Down, Owners IndictedIn the biggest crackdown on illegal online gambling to date, three of the biggest online gambling websites were shut down last Friday by the FBI.SavePrintAntonio Perez4/17/2011|Updated: 10/1/2015We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.