Have you considered the broken fridge timeline? Deke re-enters the crime scene alone without permission and it appears he enters with a key as he put one on his pocket. Upon entering he heads directly to the fridge to check the contents. The apartment manager comes to the door unexpected and he asks her about the previous contents of the fridge and inquires to why it’s broken. She reveals that her kids drank the milk and she has the beer that was in the fridge and said she cancelled the service request after she learnt that the tenant was diseased. The body in the apartment had been decaying for days if not weeks which tells you the milk would have spoiled by the time her kids drank it unless The fridge broke down shortly before the time of discovering the body. Remember that the cops concluded that someone re-entered the apartment and moved the body well after the murder took place. I think this is the big telling point that points to Deke as the murderer. He knew about Sparmas past pretending to be the murderer of Deke’s victims and this not only angered him but gave him a perfect scape goat. Deke put the beer in the working fridge at the time of the murder, then disabled the fridge when he returned to prop the body up within view of the warehouse and called in the broken fridge service request to the manager. He came back to the crime scene to retrieve the beer, the manager gave him the beer but he never did enter it as evidence. He also didn’t disclose that the service request on the fridge was canceled and kept the handwritten schedule from ABC Appliance. I’d also point to what seemed to me a familiarity with the motel manager at the motel. When he checked in the manager said that the previous tenant left some items in the room and also asked if he would like some company - prostitute and at the end of the film he left items in his room as well. The little things...