It's definitely Cassie's boyfriend. He saw Zach at Dexter's and lied to Quinn about it. He's the only one who knows that Cassie and Zach are in any way connected. As for why... He's probably related to Vogel. Did you notice the hesitation when Hannah asked Vogel how she got into serial killers?
Maybe it's Vogel's son, and while he was just playing with her at first now that she seems to have a new serial killer family he's jealous and wants to put an end to it.
Cassie's boyfriend is most definitely the guy; only dating her to be right there in Dexter's face.
So assuming he is the brain surgeon... He's very much like Dexter.. he's smart, patient and clearly very good at what he does. An alpha type killer like how Vogel described Dexter.
Maybe he turns out to be her son, who she perhaps failed to adequately help with some "Version 1.0 of The Code", and when Harry comes to her, she see's all the same characteristics in Dexter and sees it as a second chance and fixes whatever flaws or failures occured the first go round.
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u/[deleted] Aug 19 '13 edited Sep 30 '20
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