Tamaulipas massacre
... that the Tamaulipas massacre that occurred on 24 August 2010 has been described as "the worst known atrocity" of the Mexican Drug War?
... that the <b id="mw7g"><a class="mw-redirect" href="./2010_Tamaulipas_massacre" id="mw7w" rel="mw:WikiLink" title="2010 Tamaulipas massacre">Tamaulipas massacre</a></b> that occurred on <span about="#mwt15" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"Nowrap","href":"./Template:Nowrap"},"params":{"1":{"wt":"24 August"}},"i":0}}]}' id="mw8A" typeof="mw:Transclusion">24 August</span> 2010 has been described as "the worst known atrocity" of the <a class="mw-redirect" href="./Mexican_Drug_War" id="mw8Q" rel="mw:WikiLink" title="Mexican Drug War">Mexican Drug War</a>?