How do reconstructions usually deal with witnesses and timelines? Do not all reconstructions face the same obstacles?
If 7 foreign nationals had baled out of the reconstruction of a serious incident on UK soil then would you be of the same view? Why should anybody obstruct any investigation by refusing to fully cooperate?
In the UK, there would be no attempt to conduct a reconstruction to determine questions of guilt or innocence -- only to jog memories and encourage new witnesses to come forward, an entirely different purpose.
The example I have used before is the shooting dead of Jean-Paul de Menezes at Stockwell London Underground.
Eye-witnesses "saw" Mr Demenezes wearing a knee-length heavy-weight coat with leads trailing underneath. They "saw" him pole-volt barriers, sprint onto the train, be nailed to the floor and shot.
The only true bit was the last. He was wearing a light-weight denim jacket, he sauntered casually onto the platform, stopped to pick up a paper, sauntered onto the train, was pinned to the floor and was shot.
The truth was revealed, not by a reconstruction, but by analysis of close-circuit TV footage of actual events as they unfurled.
A Portuguese-style "reconstitution" would never have got to the truth ...