According to Mark Morgan, who served as acting commissioner of U.S. Customs and Border Protection (CBP) during the Trump administration, said there may be "a cell in the United States planning the next terrorist attack, and we would have no idea."
On October 7, 2023, the fundamentalist Islamist organization Hamas committed an unprecedented terrorist attack against Israel on Yom Kippur, October 7, 2023, killing over 1,400 Israelis.