Episode 603, "Remembrance Of Things Past" Tonight 10|9c
SEASON 6, EPISODE 603 - When several women are found murdered in a similar fashion, Rossi revisits a cold case that has haunted him for 25 years, causing him to suspect that the original killer is at work again. Guest stars include Daniel J. Travanti as Mr. Mullens, the original unsub that Rossi hunted in the first string of killings years ago, who now suffers from Alzheimer's Disease.
SEASON 6, EPISODE 604 - The BAU team searches for a serial killer who is preying on married couples. Also, Hotchner looks to one of the team to fill JJ's vacant role.
SEASON 6, EPISODE 605 - The BAU team is on the trail of a serial killer targeting families throughout the Midwest. Meanwhile, Morgan is concerned when Ellie runs away from her foster family and pays him a visit. Emmy Award winner Mare Winningham ("Hill Street Blues") guest stars as Nancy Riverton, a mother who takes the possible suspect into her home, and Isabella Murad returns as Ellie Spicer, Detective Spicer's daughter.
SEASON 6, EPISODE 606 - The BAU team must find a killer who has struck Detroit for the past three years solely during the raucous pre-Halloween celebration "Devil's Night." Guest stars include Ernie Hudson ("Oz") as Detroit Police Lieutenant Al Garner; Leonard Roberts ("Heroes," "Drumline") as Kaman, a suspect in the Devil's Night slayings; Carl Lumbly ("Alias," "Justice League") as diner owner Jay-Mo; and Michael Warren ("Hill Street Blues") as Tom, another potential victim.