In the article that came out 6 years later the sighting was on the day before. The laundry man talks of the dark stairwell. Would it be dark there at 6:00 PM?
http://www.gerrymccannsblogs.co.uk/press/73may13/Portugal_29_05_2013.htm"A Portuguese laundry worker who was working at the resort from where Madeleine McCann disappeared has this week spoken about a “weird” stranger lurking in a
dark stairwell a day earlier.
Mário Fernando Madeira Marreiros (47) told the Mirror this week that his testimony was ignored by Portuguese investigators.
He says he made the sighting the night before Madeleine’s disappearance as he went to collect dirty laundry.
“I saw the weird guy and we nearly bumped into each other. He was embarrassed. He looked nervous.”
Mário Fernando continues that the man had “a really fat face” and that he wore “two-tone sunglasses”
“There was no reason for him to be there and no reason to wear the glasses as it was dark under the stairs”, he told the Mirror.
“My theory is that guy must have been involved, either in the kidnapping or studying what to do – their movements.”
The divorcee has urged British detectives to contact him.
In his initial testimony given five days after her disappearance, and which is available at
http://www.mccannpjfiles.co.uk/PJ/MARIO_MARREIROS.htm he told investigators that he did not know “of anything suspicious that could be related to the events.” "
Well as I say he did tell the PJ but they kept it out of his written statement.
It still doesn't explain why Berry was questioned about being there at 6:00 PM on the Thursday.
The other thing to remember was that the stairwell is not connected to the McCann apartment, as 5A has separate entrances.