Those Who Kill (2014): Season 1, Episode 6

1 - 6: Always After

Thomas's suggestion to Catherine about her mother deeply disturbs her. Meanwhile, the team investigates a possible domestic homicide where a mother and her children are killed. They later find the father dead from a gunshot wound, but his time of death occurred before his family's. Thomas suspects the killer hid in the house's crawlspace, and his re-enactment affects his own family, as the killer targets another one.