Dexter - Season 2 - Eps 12: The British Invasion
Lila Tournay finds Sgt. James Doakes imprisoned in an Everglades cabin and learns from him that her object of affection, Dexter Morgan, is the serial killer known as the "Bay Harbor Butcher". She decides to help Dexter and kills Doakes by setting the cabin on fire. Meanwhile, Dexter's sister Debra questions whether her career is more important than her relationship with FBI Special Agent Frank Lundy.
About Dexter

Title: Dexter
First Air Date: 2006-10-01
Last Air Date: 2013-09-22
Status: Ended
Rating: 8.2/10 (from 4549 votes)
Language: EN
Seasons: 9
Total Episodes: 96
Network: Showtime
Genres: Crime, Drama, Mystery
Production Companies: Showtime Networks, John Goldwyn Productions, The Colleton Company, Clyde Phillips Productions, Devilina Productions
Synopsis
Dexter Morgan, a blood spatter pattern analyst for the Miami Metro Police also leads a secret life as a serial killer, hunting down criminals who have slipped through the cracks of justice.
Cast

Michael C. Hall
Dexter Morgan

Jennifer Carpenter
Debra Morgan

Geoff Pierson
Thomas Matthews

David Zayas
Angel Batista

James Remar
Harry Morgan

Aimee Garcia
Jamie Batista

Desmond Harrington
Joey Quinn

C.S. Lee
Vince Masuka