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Get your act together, Rosewood Police Department! The murder of your creepy cohort,  Detective Darren Wilden (Bryce Johnson), is still unsolved. Looks like we’ll have to do your job for you again by speculating about Ezra Fitz’s (Ian Harding) role in the crime. Did Ezra kill Wilden on Pretty Little Liars?

Yes, Wilden was getting too close

Before Wilden died, he exhibited many an “A”-like behavior: blackmail, coercion, and costumes, to name a few. As Uber “A,” we can see Ezra getting quickly fed up with Wilden’s behavior in a “This town ain’t big enough for the two of us” sort of way. There’s also the fact that it looks like Wilden was the one who tried to kill Aria on the Halloween train in Season 3. Whatever Ezra’s crimes turn out to be, we think he genuinely loves Aria. Did you see his face when he appeared on the train following Aria’s scare? Wilden’s almost-murder of Aria may have been the last straw for Ezria. While, before, he was a nuisance, he had become an all-out threat to the woman Ezra loves and had to be eliminated. Or something.

No, they were totally BFFs

On the other hand, maybe we’re looking at the Rosewood dynamic all wrong. Perhaps, Ezra and Wilden weren’t competition, but friends. After all, they were both seemingly on Cape May together the summer before Ali’s disappearance. Could they have been friends this entire time, perhaps even working together in the “A” game to find Alison? Could Wilden have been killed by one of “A”’s enemies, or even Ali herself, desperate to stop whomever is after her. In the Season 4B promo, we see her telling Emily that, she thought she knew who is following her, but she was wrong. Could Alison have murdered Wilden, mistakenly believing that he was the leader of the “A” Team when, really, he was just the sidekick?

No, they were unconnected

There is many a force seemingly at work in Rosewood so many that, in theory, Wilden’s murder could be completely unconnected to Ezra. There are many people who wanted Wilden dead in Rosewood, including Jenna, Melissa, and Shana who according to Melissa were being blackmailed by the dirty cop. Melissa claims they were terrified of what he might do to them, which sounds like motive for a murder to us. There is also CeCe to consider, who we saw being manhandled by Wilden shortly before leaving town in Season 3. Did she leave town to seemingly give herself an alibi for the murder she would later commit? In another corner, we have Jason DiLaurentis, who last time we checked still believed that Wilden impregnated and possibly killed his teenage sister. Basically, Wilden was not Rosewood’s most popular copper.

Do you think Ezra killed Wilden? Why or why not? Share your best theories in the comments below!

Catch the Pretty Little Liars Season 4 winter premiere, Tuesday, January 7, 2014 at 8 p.m. ET on ABC Family.