Brad Blaisdell

After a spree killer attacks residents in Tulsa, Oklahoma, Cooper and the red cell team are tasked with preventing the situation from escalating.

When Lisbon and Jane look into the murder of an army medic who helps rehabilitate veterans with post-traumatic stress disorder, their primary witness suffers from severe amnesia.

Weaver discovers Carter and Lucy in the examination room, almost dead from numerous stab wounds. The police close off the crime scene and search the premises for the presumed attacker.

Benton witnesses a shooting in the ER; Carter and Abby treat children who became sick on their school bus from toxic fumes.

The team attempt to find the shooter and the motive behind the assassination of a criminal court judge who was assigned to the trial of a Russian mobster.

When Doyle's estranged wife comes to town asking for divorce, Angel agrees to follow her husband-to-be to learn more about him.