Detective Kimball thinks MT was burning clothing. Mostly theirs? That seems like bad way to do it. Zippers, buttons, clasps.... and why not do that right there at 80 MS?
MT was clearly in on and all in on this. I wonder if FD was aware she was burning things but I have a new theory. FD was all about the dumpsters. I think Kimball said 15 bags. To me, that's everything. Her clothes (the rest of them), their clothes, in bags that were never recovered.
I think MT was burning Jennifer's personal items. Anything of hers left in the home. Photographs. Every last trace of her. If she hadn't already.
Also possible she was burning papers at FD's behest -- from his office. Including their careful preparations. We saw the alibi scripts. Before that were the plan scripts, I bet. We now know it was carefully scripted.
It fell apart because Jennifer fought back.
Kimball believes FD singularly transported JFd to 80 MS in the front seat of the Tacoma. He's seen the evidence so I believe him.
I don't think ANY evidence was brought to 4 JS. Whatever MT burned was damning but I'm convinced it came from within 4 JC.
JMO