shooting deaths
... that the shooting deaths of three Pittsburgh Police officers was the second-deadliest incident for United States law enforcement since the September 11 attacks?
... that the <b id="mwDhY"><a class="mw-redirect" href="./2009_Pittsburgh_police_shootings" id="mwDhc" rel="mw:WikiLink" title="2009 Pittsburgh police shootings">shooting deaths</a></b> of three<span id="mwDhg" typeof="mw:Entity"> </span><a href="./Pittsburgh_Police" id="mwDhk" rel="mw:WikiLink" title="Pittsburgh Police">Pittsburgh Police</a> officers was the second-deadliest incident for <a href="./United_States" id="mwDho" rel="mw:WikiLink" title="United States">United States</a> <a href="./Law_enforcement_agency" id="mwDhs" rel="mw:WikiLink" title="Law enforcement agency">law enforcement</a> since the <a href="./September_11_attacks" id="mwDhw" rel="mw:WikiLink" title="September 11 attacks">September 11 attacks</a>?