MADELEINE McCann suspect Christian B had an accomplice during a child sex crime in Portugal, says a witness.
The blond man was seen with the German paedophile the night he was arrested for exposing himself to four kids in a park in 2017.
In Madeleine’s case, two sisters saw two blond men outside her family’s rental apartment in Praia da Luz hours before she disappeared.
One had blue eyes, like Christian B, while the other had green eyes.
According to police sources, Christian B and a mystery man of similar height were spotted drinking at a festival in the Algarve village of Messines ahead of the 2017 incident.
Christian B then hid under a slide with his trousers round his knees.
An off-duty female cop challenged him — and had to hold back four furious dads.
One source said: “She called for back-up. Witnesses said a second man fled the scene.”
In June Christian B, 43, was declared prime suspect in the 2007 Madeleine case.
Cops said his phone was used outside a nearby club half an hour before the three-year-old vanished.
He is in Germany’s Kiel prison for drugs offences and is due to start a seven-year sentence for the rape of an elderly American woman in Praia da Luz in 2005.
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