Marshall Fields
...that, in 1974, intruder Marshall Fields drove a vehicle through the gates of the White House, prompting a review in security measures by the U.S. Secret Service?
...that, in <a href="./1974" id="mwPA" rel="mw:WikiLink" title="1974">1974</a>, intruder <b id="mwPQ"><a class="new" data-mw-i18n='{"title":{"lang":"x-page","key":"red-link-title","params":["Marshall Fields (White House intruder)"]}}' href="./Marshall_Fields_(White_House_intruder)?action=edit&amp;redlink=1" id="mwPg" rel="mw:WikiLink" title="Marshall Fields (White House intruder)" typeof="mw:LocalizedAttrs">Marshall Fields</a></b> drove a vehicle through the gates of the <a href="./White_House" id="mwPw" rel="mw:WikiLink" title="White House">White House</a>, prompting a review in security measures by the <a class="mw-redirect" href="./U.S._Secret_Service" id="mwQA" rel="mw:WikiLink" title="U.S. Secret Service">U.S. Secret Service</a>?