I'm pretty sure the reliable witness is the young mother (+ her child) who saw the same man on 2 separate occasions during the week. The actor who portrayed this suspect in "Madeleine Was Here" 2009 Documentary bore more than a passing resemblance to CB imo.
'Madeleine Was Here' - 'Scarface' / 3 Witnesses*
One of the suspects, shown in a reconstruction scene from 'Madeleine Was Here'
The McCanns' new detectives, ex-police officers Dave Edgar and Arthur Cowley, reveal that they have discovered 3 witnesses - 'hidden' in the PJ files - who saw a man acting suspiciously outside the McCanns' apartment.
A sketch of one of the suspects is splashed across the covers of the UK press and immediately dubbed a variety of names, from 'Scarface' to 'Pimpleman' to 'Mr Spotty".
*snipped*
A young mum, on holiday in the resort, twice saw a pock-marked man acting suspiciously. The first time was around 8am on April 29 2007, the second time was on May 2 2007.
She said: "I was walking along the road with my daughter. I grabbed her hand and pulled her towards me because for some reason the man unnerved me.
"He was standing on the opposite side of the road to the apartment. I would describe him as very ugly, pitted skin with a large nose."
Verdict: It has not been possible to locate this witness statement in the PJ files which were issued to journalists. It may be contained in files that the McCanns' lawyers have gained access to, which are still under judicial secrecy, or possibly from information they have received direct from the public or through Método 3.
Update: The Sun's article of 11 May 2009,
'Scarface' witness, 'police ignored me', states that this witness reported the sighting to her local police in Wiltshire, two years ago, who then forwarded it to the McCanns' local force in Leicestershire; from whom she heard nothing. Was it ever forwarded to the PJ? If not, in which files did the McCanns' new detectives find it 'hidden'?