I don't agree Sadie, the way I see it they haven't a baldy notion who did it and are simply trying to push hard enough to see what gives...typical police tactics really.
Too late in the day for normal tactics to be used.
I don’t think they have gone in blind, John, they are after someone.
If they hadn’t a clue or thought it was going to be too difficult to prove … they would have made their polite excuses and retired after reviewing the files. It would have caused disappointment but no surprise.
No-one will have had a better appreciation than SY about what obstacles they would be up against with regard to working with a foreign force abroad and that probably any new forensic revelations would be nothing short of miraculous.
I think they have seen something in the files and have information worth pursuing … remember they have seen them
all and HOLMES will have seen them all too ... there is also additional information which no-one but the McCanns and law enforcement know how all the sources intertwine.