The attack on the Casino, and Alex's assassination of Richard Johnson, quickly made national headlines. After all, a wealthy billionaire had his business stormed by a lone gunman. His private security was exterminated, While he and his son were both executed in their penthouse. This was not exactly something that happened every day in America.
The motives of the gunman were unclear. After all, there was not a single case of theft involved in it. Some analysts claimed that this sudden attack was a political assassination. And that this was a sign that the working class finally taking a stand against their corporate overlords.
While others presumed the shooting was an act of vengeance against the gambling industry, these analysts presumed that perhaps this shooter had been drained of his entire life savings at the Casino and lost everything. Leading him to resort to murder.