<a href="https://en.wikipedia.org/wiki/Johnson_Space_Center_shooting" id="mw-g" rel="mw:WikiLink" title="Johnson Space Center shooting">Johnson Space Center shooting</a>: William Phillips barricades himself with a <a href="https://en.wikipedia.org/wiki/Handgun" id="mw-w" rel="mw:WikiLink" title="Handgun">handgun</a> in <a href="https://en.wikipedia.org/wiki/NASA" id="mw_A" rel="mw:WikiLink" title="NASA">NASA</a>'s <a href="https://en.wikipedia.org/wiki/Johnson_Space_Center" id="mw_Q" rel="mw:WikiLink" title="Johnson Space Center">Johnson Space Center</a> in <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Houston,_Texas" id="mw_g" rel="mw:WikiLink" title="Houston, Texas">Houston, Texas</a> before killing a male hostage and himself.<sup about="#mwt85" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-15"}}' id="cite_ref-15" rel="dc:references" typeof="mw:Extension/ref"><a href="./April_20#cite_note-15" id="mw_w" style="counter-reset: mw-Ref 15;"><span class="mw-reflink-text" id="mwAQA">[15]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-15"><cite about="#mwt82" class="citation web cs1" id="mwBfs"><a class="external text" href="https://www.nbcnews.com/id/wbna18233965" id="mwBfw" rel="mw:ExtLink nofollow">"Gunman kills hostage, self at NASA center"</a>. <i id="mwBf0"><a href="./NBC_News" id="mwBf4" rel="mw:WikiLink" title="NBC News">NBC News</a></i>. April 20, 2007. <a class="external text" href="https://web.archive.org/web/20230806205611/https://www.nbcnews.com/id/wbna18233965" id="mwBf8" rel="mw:ExtLink nofollow">Archived</a> from the original on August 6, 2023<span class="reference-accessdate" id="mwBgA">. Retrieved <span class="nowrap" id="mwBgE">August 6,</span> 2023</span>.</cite><span about="#mwt82" class="Z3988" id="mwBgI" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=NBC+News&amp;rft.atitle=Gunman+kills+hostage%2C+self+at+NASA+center&amp;rft.date=2007-04-20&amp;rft_id=https%3A%2F%2Fwww.nbcnews.com%2Fid%2Fwbna18233965&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+20"></span></span>