New York City Police Commissioner <a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=William+Bratton&family=editorial&specificpeople=696107 ng-click='$event.stopPropagation()'>William Bratton</a> leaves a news conference attended by Jeh Johnson, the United States Secretary of Homeland Security, at a Manhattan hotel hosting a counter-terrorism conference on April 28, 2016 in New York City. The Leadership in Counter Terrorism conference (LinCT) is a yearly gathering that draws law enforcement and security officials from around the world to discuss efforts in combating terrorism.