Warning! This article contains SPOILERS for Dexter: Original Sin season 1, episode 10 and Dexter season 1.A small detail in the finale ofDexter: Original Sinmade one of Debra Morgan’s (Molly Brown) worst romantic relationships even more creepy than it already was. Deb was a major focus ofOriginal Sinseason 1, and while she had quite a few ups and downs, most of her developments were positive. For instance,Tanya Martin (Sarah Michelle Gellar) convinced Deb to join the police, she grew significantly closer to both Dexter (Patrick Gibson) and Harry Morgan (Christian Slater), and she even repaired her friendship with Sofia (Raquel Justice). Theending ofOriginal Sinseason 1, however, included a dark hidden detail about Deb’s story.
Throughout the originalDexter,Deb had a trend of dating terrible men.Original Sincontinued the trend by revealing that Gio Martino (Isaac Gonzalez Rossi) was a drug smuggler, butDexterseason 1 is where it really began. InDexterseason 1, Deb (Jennifer Carpenter) unknowingly dated Brian Moser (Christian Camargo), Dexter’s biological brother. Brian turned out to be the Ice Truck Killer, and he even tried to get Dexter to murder Deb. It was a hugely traumatic moment for Deb, butOriginal Sinsomehow found a way to make it even more disturbing.

Original Sin’s Season 1 Finale Hints Brian Moser Continued Stalking Dexter & Deb For 15 Years
Brian Seems To Be Watching Dexter’s Life From Afar After Original Sin
The final seconds ofOriginal Sinseason 1 revealed that in spite of his conversation with Harry - where he agreed that Dexter had a good life with the Morgan family - Brian Moser (Roby Attal) didn’t stop stalking Dexter.Brian watched Dexter, Harry, and Debra dance together through a window, which seems to hint that he continued to stalk Dexter for the next 15 years, until he made contact inDexterseason 1. Brian only agreed that Harry was a good influence on Dexter and promised to stay out of his life, but he never said anything about leaving his little brother alone entirely.
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While Brian may have been watching Dexter specifically, he also stalked Deb while tracking his little brother. Dexter and Deb had a very close relationship, especially afterHarry Morgan’s death, and they hung out together constantly. They both worked at Miami Metro, they went out to dinner and lunch together frequently, and Deb would often stop by at Dexter’s apartment for beer and steaks.Just by virtue of being around Dexter so much, Deb inadvertently became another victim of Brian’s stalking. He may not have intended to, but by the time ofDexterseason 1, Brian had stalked Debra for 15 years.

Brian’s Years-Long Stalking Makes His Romance With Deb In Dexter Season 1 Even Creepier
Brian Knew Everything About Deb & Used His Years Of Stalking To Seduce Her
The fact that Brian stalked Deb for 15 years only makes his romance with her inDexterseason 1 even creepier.Dexteralready revealed that Brian had created the persona of Rudy Cooper specifically to seduce and manipulate Deb, butOriginal Sincompletely recontextualized it. Brian wasn’t just playing a generic good boyfriend, he had a decade and a half of knowledge about Deb, and he knew exactly how to appeal to her. He had watched Deb vent to Dexter about boyfriends, breakups, her likes and dislikes, and dreams for her life, and he used it all to get close to her.
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It was creepy enough that Brian had constructed an entire fake identity just so he could gain Debra’s trust and ultimately kill her, butOriginal Sinmade him even worse.Brian didn’t just violate Deb’s trust as an adult, he violated her privacy for over half her life at that point, including when she was still a minor. He knew things about Deb she only felt comfortable sharing with Dexter, which somehow makes his reveal inDexterseason 1 even worse. It’s completely disgusting, and while Deb never knew just how much Brian Moser violated her inDexter: Original Sin, we the viewers do.
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Dexter is a television series following Dexter Morgan, a blood spatter analyst for Miami Metro Police who secretly leads a dual life as a vigilante serial killer. Released in 2006, the show focuses on Dexter’s internal conflict as he hunts down criminals who elude justice within the legal system.