I am beginning to think that some people know a lot more than we are being told now.
Reluctantly believing there is evidence of a bomb which is known but not released.
We have seen (and being trying to armchair investigate) lots of pictures but nothing from the investigating team- quite unlike the Germanwings situation or the investigation into the crashed helicopter here in the UK.
Probably in the rear cargo hold and involved the centre fuel tank.
But I still think the DAISH video is a fake- aircraft looks more like say a king air at the start that a 321