Season 1, Episode 6 - Season 1: Episode 6 (Always After). Original air date: 4/20/14. Catherine (Chloe Sevigny) is reeling from Thomas' (James D'Arcy) revelation about her mother Marie (Kathy Baker) and throws herself into investigating a devastating new case. Meanwhile, Thomas goes too deep into a murderer's psyche. Check out Those Who Kill photos and extras.