US sees heightened extremist threat heading into midterms


              FILE - The Department of Homeland Security logo is seen during a news conference in Washington, Feb. 25, 2015. DHS says a looming Supreme Court decision on abortion, an increase of migrants at the U.S.-Mexico border and the midterm elections are potential triggers for extremist violence over the next six months. DHS said June 7, 2022, in the National Terrorism Advisory System bulletin the U.S. was in a "heightened threat environment" already and these factors may worsen the situation. (AP Photo/Pablo Martinez Monsivais, File)
            
              FILE - The Department of Homeland Security logo is seen during a news conference in Washington, Feb. 25, 2015. DHS says a looming Supreme Court decision on abortion, an increase of migrants at the U.S.-Mexico border and the midterm elections are potential triggers for extremist violence over the next six months. DHS said June 7, 2022, in the National Terrorism Advisory System bulletin the U.S. was in a "heightened threat environment" already and these factors may worsen the situation. (AP Photo/Pablo Martinez Monsivais, File)
            
              FILE - The Department of Homeland Security logo is seen during a news conference in Washington, Feb. 25, 2015. DHS says a looming Supreme Court decision on abortion, an increase of migrants at the U.S.-Mexico border and the midterm elections are potential triggers for extremist violence over the next six months. DHS said June 7, 2022, in the National Terrorism Advisory System bulletin the U.S. was in a "heightened threat environment" already and these factors may worsen the situation. (AP Photo/Pablo Martinez Monsivais, File)
            
              FILE - The Department of Homeland Security logo is seen during a news conference in Washington, Feb. 25, 2015. DHS says a looming Supreme Court decision on abortion, an increase of migrants at the U.S.-Mexico border and the midterm elections are potential triggers for extremist violence over the next six months. DHS said June 7, 2022, in the National Terrorism Advisory System bulletin the U.S. was in a "heightened threat environment" already and these factors may worsen the situation. (AP Photo/Pablo Martinez Monsivais, File)
            
              FILE - The Department of Homeland Security logo is seen during a news conference in Washington, Feb. 25, 2015. DHS says a looming Supreme Court decision on abortion, an increase of migrants at the U.S.-Mexico border and the midterm elections are potential triggers for extremist violence over the next six months. DHS said June 7, 2022, in the National Terrorism Advisory System bulletin the U.S. was in a "heightened threat environment" already and these factors may worsen the situation. (AP Photo/Pablo Martinez Monsivais, File)
            
              FILE - The Department of Homeland Security logo is seen during a news conference in Washington, Feb. 25, 2015. DHS says a looming Supreme Court decision on abortion, an increase of migrants at the U.S.-Mexico border and the midterm elections are potential triggers for extremist violence over the next six months. DHS said June 7, 2022, in the National Terrorism Advisory System bulletin the U.S. was in a "heightened threat environment" already and these factors may worsen the situation. (AP Photo/Pablo Martinez Monsivais, File)
            
              Homeland Security Secretary Alejandro Mayorkas listens to Raul Ortiz, Chief, U.S. Border Patrol, as he tours the section of the border wall with Mexico, Tuesday, May 17, 2022, in La Joya, Texas. (Joel Martinez/The Monitor via AP, Pool)
            
              Alejandro Mayorkas, United States Secretary of Homeland Security, shakes hands along a section of the border wall, Tuesday, May 17, 2022, in La Joya, Texas. (Joel Martinez/The Monitor via AP)
            
              FILE - The Department of Homeland Security logo is seen during a news conference in Washington, Feb. 25, 2015. DHS says a looming Supreme Court decision on abortion, an increase of migrants at the U.S.-Mexico border and the midterm elections are potential triggers for extremist violence over the next six months. DHS said June 7, 2022, in the National Terrorism Advisory System bulletin the U.S. was in a "heightened threat environment" already and these factors may worsen the situation. (AP Photo/Pablo Martinez Monsivais, File)
            
              Homeland Security Secretary Alejandro Mayorkas, left, listens to Deputy patrol agent in charge of the US Border Patrol Anthony Crane as he tours the section of the border wall Tuesday, May 17, 2022, in Hidalgo, Texas. (Joel Martinez/The Monitor via AP, Pool)
US sees heightened extremist threat heading into midterms