Some activists are questioning whether the federal government can accurately verify a tax program for facilities that store planet-warming gases.

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.