The Deadly Valentine (S05E21)

S05E01 Blood Vengeance S05E02 Deadline for Dying S05E03 Sins of Thy Father S05E04 The Fatal Dive S05E05 Final Ransom S05E06 Band of Evil S05E07 Voice in the Night S05E08 The Bounty Hunter S05E09 Renegade's Child S05E10 Fraternity of Thieves S05E11 Sister of Death S05E12 The Deadly Charade S05E13 Testament of Power S05E14 Copy-Cat Killing S05E15 A Simple Case of Terror S05E16 The Marathon Murders S05E17 Duet for Dying S05E18 Circle of Treachery S05E19 Anatomy of Fear S05E20 The Killer on Campus S05E21 The Deadly Valentine S05E22 Duet for Danger S05E23 The Inside Man S05E24 Run Away to Terror