The two men were seen getting ready to go to lunch on the day of the shooting. Hours later, Judge Kevin Mullins was dead from multiple gunshot wounds.

The agency found that it did not adequately prepare its local partners for the Butler, Pa., event, and its leader also cited lapses including complacency by some agents and technological breakdowns.

The attack, which Lebanese officials said killed at least 14 and injured more than 60, stoked fears Israel is driving toward a full-blown war on its northern border, even as the fight in Gaza goes on.