Tara Robinson

The Centers for Disease Control calls on the BAU when they suspect bioterrorism is behind a series of mysterious deaths in Virginia. Also, Garcia visits her stepbrother, Carlos (Sebastian Sozzi), to take care of a difficult family issue.

The new Seattle fire chief is introduced to Station 19 and leaves the crew skeptical; a department store fire caused by exploding fireworks triggers painful memories from Ben's past and inspires him to pursue a new endeavor.

A discovery at a crime scene leads the team to suspect a possible link to terrorism.