President Trump said the “monstrous ambush” of two National Guard members in Washington, DC, Wednesday “underscores the single greatest national security threat facing our nation greatest national security threat” — namely, the surge in immigration into the US under former President Joe Biden. “He was flown in by the Biden administration in September 2021 on those infamous flights that everybody was talking about,” the president continued. “His status was extended under legislation signed by President Biden, a disastrous president, the worst in the history of our country.”