I think the apartment belonged to the dead guy, who Johnson had a beef with in prison. The body parts were in the fridge cause Johnson was trying to dispose of the evidence, slowly and carefully, even wearing a blonde wig to hide from the cctv cameras. I don't know, I just saw Decoy Voice's video on it, and he wasn't too clear on the details.

I'm just trying to say, let's not mourn the victim too hard.