insert_link World United States in “heightened threat environment” following Trump shooting As Mayorkas slams conspiracies US Secretary of Homeland Security, Alejandro Mayorkas warns the United States is now in a "heightened threat environment" after the attempted assassination of former US President Donald Trump. But Secretary Mayorkas says he still has "100% confidence" in the Secret Service, despite Saturday's shooting. Benji Hyer was at the White House press briefing. todayJuly 16, 2024 42