Kale Clauson

Tensions rise among the employees after an attempted robbery; Glenn has a tough time firing the store security guard; Amy discovers that her co-workers have been hanging out without her.

Jane's investigation leads him to join a separatist commune after a U.S. attorney is found dead in Mexico, even though there's no record of her crossing the border. Also, Rigsby and Van Pelt convince J.J. LaRoche to help them discover who is stalking former CBI members.

Voight breaks the rules again when the FBI forbid him to question an Argentinian official at the World Trade Conference who is suspected of murdering a young female protester. Meanwhile, Halstead's brother arrives in town.

When buyers show interest in Grayson's house, the crew is quick to judge their potential new neighbours.