Tyler Jacob Moore

The BAU team profiles a serial killer who uses the Internet as his hunting ground, bringing a whole meaning to the term "social networking".

Jeff invites Audrey to watch him play softball, hoping to show her that he's not an old fogey.

The Man Of The Moment. Firehouse 51 helps Herrmann put on a school fundraiser. Carver's troubled brother comes to town. A grateful citizen is determined to thank Brett and Severide for saving his life.

Jimmy Palmer becomes the target of a killer who only he can recognize.

Jane represents the mother of a teenage girl who is on life support; Teri and Luke pretend to be Jane and Owen at a wedding menu tasting.

The town blames Elsa when a fatal icy spell is cast on Marian, not knowing that another resident has the same powers; Mary Margaret struggles to balance motherhood and leading the town.