Two people were killed and 11 others were injured Sunday after a gunman opened fire during a video game tournament at a shopping mall in Florida before killing himself, local police said.The shooter, identified as David Katz, 24, from Baltimore, Maryland, died from a self-inflicted gunshot wound, according to the police. Citing an eyewitness, the Los Angeles Times reported the gunman participated in a video game tournament at the mall and lost.The gunman had won the tournament last year.The police said the perpetrator was a white male and they believe that he was acting alone. Earlier repor…READ FULL ARTICLE