Is it just me, or is gun violence increasing?

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A man with a rifle opened fire at a busy department store today, killing eight people before taking his own life, in an attack that made holiday shoppers run screaming through a mall and barricade themselves in dressing rooms. Five more people were wounded, two critically. Witnesses said the gunman fired down on shoppers from a third-floor balcony of the Von Maur store. The gunman was found dead on the third floor with a self-inflicted gunshot wound, and his victims were discovered on the second and third floors. The gunman killed eight people, then apparently killed himself. His name was not immediately released, and authorities gave no motive for the attack and did not know whether he said anything during the rampage. Police received a 911 call from someone inside the mall, and shots could be heard in the background. By the time officers arrived six minutes later, the shooting was over. More shootings... it really makes you wonder what is wrong with our society. If my memory serves me right, this is the third public shooting THIS YEAR! What do you guys think? Is this becoming a more prominent problem? Is there a reason for this? Source: YAHOO!