Harry discovers Mary is administering overdoses to her patients and gives Dexter "permission" to make her his first target, provided he follows the "Code".
In the present day, the leaves another victim, a woman named Cherry, dismembered and displayed at a Miami hockey rink. While Lieutenant Maria LaGuerta focuses the investigation on Tony Tucci, a missing security guard, Debra and Dexter suspect he is actually another victim being framed by the real killer. "Dexter" Popping Cherry(2006)
A younger, less refined Dexter kills Mary by stabbing her after tying her to a table with plastic wrap, marking the birth of his signature ritual. Cast and Crew Harry discovers Mary is administering overdoses to her
Nurse Mary (played by Denise Crosby ), who was caring for Dexter's sick adoptive father, Harry Morgan. A younger, less refined Dexter kills Mary by
is the third episode of the first season of the American television drama series Dexter , which first aired on October 15, 2006. The episode is pivotal as it explores the origin of Dexter Morgan’s dark passenger by flashing back to his very first human kill—a nurse named Mary who was systematically poisoning her patients. Plot Summary
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