IMO.... and I could be totally wrong, stranger things have happened. I think we may be putting too much significance on the bin. If LE thought Lindsay could have been in that bin, not just in the released footage, but at any time, I really don't think they would have released it. That would be far too graphic and thinking of her family and loved ones, how could you ever get that out of your mind? It would cause lifelong mental distress, and I really don't think they would have done that. Now if you consider that the main objective was that they needed the boy identified, I think they would have released an image only, or even a description 'anyone seen a young, dark haired man, wheeling a bin along 'x' street?' would have been a sufficient starting point.
We know that Lindsay is connected to the cemetery. We know that the bin is connected to the cemetery. We know that the boy is connected to the bin. That does not mean that Lindsay is connected to the bin.
Add to this the fact that I would have trouble lifting an empty box into one of those bins! And although the possibility of the boy having help to move her body has been suggested, I don't think it's realistic that anyone helping would suggest it's a good idea to send him off alone with a bin at 2:30 on a Saturday afternoon.
With the quality and pertinency of the CCTV footage we have seen of Lindsay and the boy, I think there must be a lot more footage, therefore there is likely more incriminating footage, and also there would have been enough footage for authorities to select a section which was going to cause the least distress to the family
All MOO