Derby Racer
... that the racing roller coaster Derby Racer killed or critically injured at least five people in its 25 years of operation, leading to a Massachusetts Supreme Court case?
... that the <a class="mw-redirect" href="./Racing_roller_coaster" id="mwFYc" rel="mw:WikiLink" title="Racing roller coaster">racing</a> <a href="./Roller_coaster" id="mwFYg" rel="mw:WikiLink" title="Roller coaster">roller coaster</a> <b id="mwFYk"><a class="mw-redirect" href="./Derby_Racer_(Revere_Beach)" id="mwFYo" rel="mw:WikiLink" title="Derby Racer (Revere Beach)">Derby Racer</a></b> <i id="mwFYs">(pictured)</i> killed or critically injured at least five people in its 25 years of operation, leading to a <a class="mw-redirect" href="./Massachusetts_Supreme_Court" id="mwFYw" rel="mw:WikiLink" title="Massachusetts Supreme Court">Massachusetts Supreme Court</a> case?