The Portland PD is so much better off with another Wesen-hunter on the team.

On Friday's all-new Grimm (9/8c, NBC), we see that Sgt. Wu (Reggie Lee) has become an invaluable member of the team now that he's in the know about the wild and wooly world that Wesens live in.

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While investigating the shocking homicide of a ghost-hunter, Wu makes a breakthrough. He discovers new footage that shows the victim may not have been killed by lightning (or an electricity-happy ghost) after all. Check out the exclusive sneak peek below to see what he discovers:

Grimm airs Fridays at 9/8c on NBC. Plus: Grimm gives back! See how you can own official show memorabilia by participating in the Grimmster Endowment auction here to benefit Portland's children's hospital.