I liked the first episode, if the rest are of a similar quality then this is gonna be fun to watch. The idea of having this story only lasting 8 eps and all being done by the same director should make for better continuity.

Speculation time, I don't think we'll see the murderer until late in the season. Maybe they don't even catch the actual killer, it's just a review of how they convicted the wrong person. Cult/sect possibly?