If there is anything you think Heri may have got wrong or be mistaken about, you should really contact him and let him know.
As a scholar he has carried out meticulous research into Madeleine's case and will not have put his name and reputation to erroneous information.
In my opinion, bias doesn't enter into his research. He started off his investigation with an open mind with perhaps an initial slight bias against the McCanns and followed the evidence, which includes Kate's book, to reach his conclusions.
Would that there were more like him.
scholar
ˈskɒlə/
noun
plural noun: scholars
a specialist in a particular branch of study, especially the humanities.
"a Hebrew scholar"
synonyms: academic, intellectual, learned person, professor, man of letters, woman of letters, mind, intellect, savant, polymath, highbrow, bluestocking; authority, expert, pundit, mastermind; pandit; rabbi; informalegghead; informalpointy-head; archaicbookman
"a leading French biblical scholar"
archaic
So hes the only one here!
Would that there be more like of them?
Or is just one conclusion the right one?
What about "scholars" that take issue with some of the "evidence"