In the light of that I will amend the first line of my original post.
One wonders why it took him so long to say anything to The MPS or for two onepolice forces and n sets of PIs to miss him completely
I don't know how relevant whatever information this man alleges he passed to the police was, but if the police were less than diligent in their record keeping, how were PIs or others supposed to either know about him or what he had passed to the investigation.
He is not alone in saying he had passed information to the police ... he is not alone in assuming the police did what they normally do ... and that is to investigate.
One explanation ??? "Paulo Rebelo, the new police chief leading the Madeleine McCann investigation, is furious at how it was left in disarray by his predecessor.
According to reports, officers have spent the past fortnight processing information left lying around on scraps of paper and following leads ignored by police working under Chief Inspector Goncalo Amaral.
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Meanwhile, a police source quoted in a Portuguese newspaper said: "There was important material lying all over the place that hadn't been considered by investigators.
"A lot of key information was discarded. The whole process is being reviewed. Putting all the papers in order has been a massive task."
Officers have been working round-the-clock to log on to a computer all information relating to the disappearance of four-year-old Madeleine from the holiday complex in May.
http://www.dailymail.co.uk/news/article-488802/Madeleine-New-police-chiefs-fury-mess-inherited-predecessor.html#ixzz4s6YpLYuM I don't know if there has been a trade off of information from this guy. The relevant thing about him as far as I am concerned is that he is a criminal and as such is highly likely to mix in circles where other criminality is either known about or even witnessed.
Whatever his motivation ... if he has information ... in my opinion it was well worth checking out, and I think Scotland Yard may have already gleaned valuable information as a result of doing so.