After a series of murders in Lower Canaan, Ohio, is connected to a serial killer who had been executed a year ago, the BAU must find the link to the current crimes.
Frasier and Charlotte's road trip hits a detour.
While Grissom and Sara are called to investigate the death of a woman discovered on a remote trail, Catherine and Warrick try to solve the theft of a costly painting belonging to a multi-millionaire. John Getz guest stars.
When a Marine photographer disappears prior to providing his testimony in an Army court-martial hearing, the NCIS team investigates both the murder he witnessed as well as his current piece on military veterans who are homeless in the D.C. area.
Worf's decision to send a legendary Klingon warrior back into battle could have deadly consequences.
