It’s difficult to say without knowing the finer details of the investigation.
It’s not as easy as people believe to manually strangle a person. Lindsay was 5’11 and looks to be healthy and strong so for someone to kill her in that way, it will take a huge amount of strength plus I would suspect she will be fighting back to save herself and once the body releases the cortisol for fight or flight response and she is full of adrenaline then she will be unbelievably strong in fighting back. Conversely , if the suspect is full of adrenaline then he too will become very strong for a short time. So who knows . The suspect could be the person who murdered LB or he could be merely moving her body either with or without knowledge of what’s in the bin ( however I refer to my previous post that I find it impossible that he would not be able to smell the decomposing body as he wheels the blue bin along if in fact LB is inside it ). Furthermore, I would suspect that whoever strangled LB, would have injuries and scratches in plentiful supply as she would have fought back, unless rendered unconscious before strangulation).