Worst mass shootings in recent history

<div class="meta image-caption"><div class="origin-logo origin-image "><span></span></div><span class="caption-text">A man, background, and four young women mourn  the  victims of a school shooting in the Cathedral of Erfurt, eastern Germany,  Saturday,  April 27, 2002, the day after a former student of the Gutenberg school in Erfurt killed 16 people before he killed himself.  (AP Photo&#47; MICHAEL PROBST)</span></div>
December 14, 2012 4:32:53 PM PST