Homeland Security official's killing leaves agency 'devastated' as vetting breakdown exposed

A Department of Homeland Security official, Lauren Bullis, was killed by a naturalized U.S. citizen with a criminal record, exposing vulnerabilities in federal vetting processes. The suspect, Olaolukitan Adon Abel, was naturalized in 2022 despite prior convictions, prompting criticism of the Biden administration's immigration policies and calls for improved screening.