Emily Skinner

When teenagers who were reported missing are suspected of a series of mass murders in Chicago, the BAU investigates their whereabouts to find a motive for the crimes.

When Danny's ex-wife, Christina (guest star Chloe Sevigny), comes back to New York to confront Danny about an emotional letter he had written to her, Morgan confesses that he had sent the letter unbeknownst to Danny, causing Danny to fire Morgan out of anger. Meanwhile, the rest of the staff compete in a triathlon and go head-to-head with the midwives, who have hired Morgan to work for them.

CeCe volunteers herself and Rocky to be choreographers for a dance at the Little Cutie Queen Pageant that Gary Wilde is hosting. When the girls realize how bratty most the kids are, they get behind Eileen, an awkward 8 year old, and try to help her win.

Sqweegel, a serial killer who is punishing local heroes that harbor hidden secrets, is on the hunt in Las Vegas. (TV-14)

The team searches for a geneticist's daughter who they suspect was abducted by her unstable mother, but become more concerned when they think the young girl may be a clone. Also, Charlie and Amita talk about having kids, and Liz reveals a dark secret.