Lyn Mahler

The BAU team heads to Texas to track a serial killer targeting illegal immigrants attempting to make safe passage into the U.S.

Marking the 100th episode milestone of The Middle, the citizens of Orson, Indiana celebrate the Orsontennial – the town's 100th anniversary. During this momentous event, Frankie and Mike find themselves begrudgingly trying to drive a giant cow float in the parade; Axl, Sean (recurring guest star Beau Wirick) and Darrin resurrect Boss Co. and attempt to make some big bucks by setting up a VIP area to view the festivities; Sue, still crushing on Darrin, tries to make him jealous by pretending to be dating Brad (recurring guest star Brock Ciarlelli) again; and Brick tries to earn himself a place in Orson history by entering a contest to come up with the town's new motto, which will be used for the next 100 years.

After two undercover DEA agents are murdered and a third goes missing, the BAU joins the NSA to investigate whether an underground Internet drug syndicate is involved. Also, Hotch hopes the team's work with the NSA brings them closer to finding the "Dirty Dozen" hitmen ring.

Nash and Joe investigate a missing hockey goalie connected to the Russian mob, with the help of a kidnapper who has lost all memory of the crime.