Trinity Killer

Dexter, Season 4: The cast talks about the Trinity Killer (John Lithgow), the most prolific serial killer Dexter's ever encountered.

Tonight on Showtime
9 PM ET/PT
Penny Dreadful: The Day Tennyson Died
10 PM ET/PT
House of Lies: End State Vision
10:30 PM ET/PT
DICE: Alimony
11 PM ET/PT
Gigolos: 608
11:30 PM ET/PT
DICE: Alimony
Schedules