Lucia Sullivan

Claire has overdone it in Halloweens past and the neighbours definitely don't share her enthusiasm, so this year she's being forced to tone it down and keep it 'kid-friendly'.

When a woman is shot dead at an upmarket resort the suspects include the woman's wealthy husband, her libertine lover, a former assistant, and a jealous waitress. To get to the truth, Jane sets up an elaborate sting involving Cho and some unsuspecting young women.

With their lovers in comas, Susan and Ian go to the country for a weekend; Nora forces her way into Lynette and Tom's life.

Prentiss resigns, Hotch requests a transfer and Gideon goes missing, leaving the team three members short as they hunt a serial killer in Milwaukee, who kidnaps women from public places.

Captain Raydor jeopardises her career when she makes a bold move following a fatal shooting in gang territory, putting Detective Sykes in a dangerous situation; Rusty says he doesn't want to meet his biological father.

Melinda gives birth to a son who has apparently inherited her gift for seeing spirits, though his gift has an important difference.