Mass Shooting in California Posted on December 2, 2015 by usdr in Featured, Media, Politics // 0 Comments By USDR. The headline has become all too common — another mass shooting. This time in another gun free zone in Southern California. At the time of the posting of this article, there are still more questions than answers. ABC News: By USA Today: New York Daily News: murdershootingSouthern California All opinions expressed on USDR are those of the author and not necessarily those of US Daily Review.