Jack Ruby forever silenced the only named suspect in the assassination of an American president, and this week we try to figure out his motives. Was he acting on behest of the Mob? Was it because of his past gun running activities in Cuba? Was it because he was a heart broken patriot who wanted to prevent Jackie Kennedy from having to return to Dallas for a trial. Check out part three of our JFK Assassination conspiracy theory series and let us know what you think!