Now here’s a role I don’t think even Dexter thought he’d be taking on in his lifetime: serial killer hunter. Alright, so we was hunting down the Ice Truck Killer in season one, but for very different reasons. Back then, the initial hunt for ITK was more for sport, as he admired his skill and didn’t have a personal stake in it (at the start, that is). This time it’s very personal. And when things get personal for Dexter, he works fast. Very fast.
Dexter has already learned that his family means more to him than he thought they ever could, and we see that very much includes his sister Deb. There was a point in the past when I’d have not put it past Dexter to kill Deb, should she find out what he really is. Now I’m certain there’s just no way he’d ever harm a hair on her head, never mind put a drop of her blood on a slide.
As I said, Dexter moves fast when he’s got a personal stake in the matter. I’m not sure about you, but the swiftness in which he works makes me damn nervous for him. Usually when someone works that fast, they make mistakes … make that critical mistakes. Case in point, Dexter handling the evidence room. He’s incredibly crafty at how he’s able to swipe Lundy’s recorder (as Rita notes later, he’s really good at lying), but in the process he got his fresh prints all over it before returning it. It was done in such a way that I’m not sure it’ll come back to haunt him later, but to me it was careless.
Seeing now who Trinity really is — that he has a family, complete with grown kids — I’m fairly confident that we’ll find he’s not Deb’s and Lundy’s shooter. It doesn’t fit his M.O., and he truly seemed surprised and possibly horrified at the news reporting Lundy’s shooting on the TV. Trinity is clearly following a ritual, as was said on the show, so making a sloppy killing like that (and not following through with killing Deb) just doesn’t fit at all.
I also don’t believe the shooter could be Anton. The way he was told about Deb sleeping with Lundy, and Anton’s reaction to it, just didn’t fit with how I’d expect him to react if he had already known about it, even if he is a good liar. I’m really pulling for the shooter to be a huge surprise, not something ho-hum like the tree trimmer killer from last season.
Other stuff:
Clacked by Keith McDuffee 
on Oct 26, 2009 @ 11:00 EST5EDT
But isn’t that the entire premise of the show, the fact that Dexter is a killer of serial killers? Dexter seemed interested in going after the Trinity Killer long before his sister got involved.
*POST AUTHOR*
I’d say he’s a general killer of murderers, not necessarily serial killers is all. I just found it interesting that he now has a serial killer hunter’s files in his hands. On that note, I wonder if Dexter will find files pertaining to his own killings amongst the paperwork. How crazy would it be if Lundy knew all along that Dexter’s a killer, but he lets him go because a) he’s killing “bad people” and/or b) having a serial killer hlel you track down other serial killers is a nice little ace up his sleeve.
that acting in the parking lot was just stunning. wow. that shit felt real in a way most acting doesn’t.
i’m not sure about trinity NOT being lundys killer. i mean, he found out who lundy was and what he was doing, then bumped into him at the place he made his third/was planning his next kill. figured he was a treat so took him out and made it look like the current rash of murders. i don’t know what the point of a twist would be there, other than that the ‘vacation killers’ they caught aren’t the actual vacation killers?
ha ha ha, THREAT not treat. too close to halloween, i guess. :)
As to Lundy’s recorder, even if it were to come to pass, most of the truth would be on Dexter’s side. Lundy took a special interest in him, often interrupting him at work or during his personal time for his blood spatter expertise and discussing his investigations with him. It would not be inconceivable for Dexter to have handled Lundy’s recorder and tapes, sans gloves, at one of their lunchtime meetings prior to the shooting. It wasn’t even stolen, but was sitting in Lundy’s pocket the entire time.
If we’re discounting Trinity and Anton as the shooter, doesn’t that just leave the dirty cop Quinn, who was first on the scene?