Dexter Kills Nurse

Subject: Dexter - Season 1, Episode 1 ("Crocodile") - The Killing of Nurse Mary

The Birth of the Ritual.

Nurse Mary (portrayed by Denise Crosby in the original series and Tanya Clarke in Original Sin ) was a serial killer operating within the Angel of Mercy Hospital. dexter kills nurse

The Powerlessness of the Observer.

transitions from an impulsive stalker into a calculated vigilante. Though chronologically his first human kill, it was first depicted through shaggy-haired flashbacks in Season 1, Episode 3, . The Background: An "Angel of Death" Subject: Dexter - Season 1, Episode 1 ("Crocodile")