[WATCH] 'Criminal Minds' Sneak Peek: Why Is Garcia Going to California?

The Centers for Disease Control turns to the BAU for help in Criminal Minds season 13 episode 20 when they suspect bioterrorism is behind a series of mysterious deaths in Virginia.

Also in "All You Can Eat," Garcia heads home to San Francisco and visits her stepbrother, Carlos, to take care of a difficult family issue.