The president attributed the killing to “Trump derangement syndrome,” but his disparaging comments drew backlash even from conservative allies who said they were inappropriate.

Kash Patel’s impulse to publicize the work of the bureau under his leadership has revived questions about his competence and his future in the administration.

As it tries to demonstrate its continuing ability to fight, Ukraine said it had used drones to inflict serious damage on a Russian Kilo-class submarine at a Black Sea port.