the gunman took his own life. for law enforcement, a nightmare scenario. a shooting rampage in a mall and because it was late afternoon, there were dozens of kids after school, hoping to see santa. >> this incident now joins a grisly list. this year alone, 12 people killed, 58 wounded in july. six people killed at this wisconsin sikh temple in august. now add to that this shopping mall. this is likely to lead to heightened security measures at shopping centers across the country, just in time for christmas. david wright, abc news. george zimmerman still must wear that gps monitoring device. a judge denied requests to remove that device. he said zimmerman cannot leave the county until his trial. zimmerman is accused in the shooting death of trayvon martin in the so-called stand your