It was searched later, which prompted SF to speculate about fibres which HCW had to deny later on.
How long would that have been after the 2017 witness revelations brought CB to police attention?
HCW is not responsible for what the tabloids or even respected journalists have to say in pursuance of a story.
He and the other investigators are in pursuit of justice as it is applicable to CB and MM. I think that is what he has been doing.
The Portuguese prosecutors warned in 2008 that this was not a fictional detective story it was real life to be treated as such. I think that has proved very prescient of them.