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THIS is Madeleine McCann suspect Christian B standing in the abandoned factory where 8,000 sickening child abuse images were found.
The 44-year-old convicted paedophile and rapist was identified as the man responsible for Madeleine's abduction and murder by German police last year but has yet to be charged.
Madeleine vanished on May 3, 2007, when her family were holidaying in Praia da Luz, in the Algarve, Portugal.
The never before seen picture was unearthed by Danish TV journalists after they tracked down a now 62-year-old mysterious former ex-girlfriend of his identified in the documentary Prime Suspect: The Madeleine McCann Case which is airing tonight on Discovery Plus.
Cops searched the former crate factory at Neuwegersleben near Hannover in 2016 as part of their investigation into a missing girl.
They made the sickening discovery of child abuse images on a USB stick as well as girls' swimming costumes and kids’ clothes in a motorhome at the site.
It is thought to be the same vehicle Christian B was using in 2007, when Madeleine disappeared aged three, and that he later told friends was ideal for “hiding drugs and children”.
The USB stick was found wrapped in a plastic shopping bag and under the body of his dog Charlie who had died earlier.
Police raided the deserted property while investigating the disappearance of five-year-old Inga Gehricke, who vanished in May 2015 and is still missing. She has been called the "German Maddie".
Officers found no evidence linking Christian B to Inga and he was not charged in her disappearance.
He was jailed over child abuse images found on the memory sticks.
Christian B used the factory as his secret lair to tinker with stolen car parts and would often take pals there to drink and often spent the night there with his girlfriend identified only as M.
The woman - identified only as M in the documentary - said she had met Christian B in the summer of 2009 after he had returned from Portugal and was living in the motorhome.
She said: ''I was at a dance for over 30's - I was 52 and he was 32. I saw him and we started talking. “He told me he had camper van and that I could move in with him.''
The woman added: ''He took me to his place at Neuwegersleben and wanted me to take photos. He wanted me to do the place up. It made me wonder because it was all in ruins.
''He then started drinking more and more and he would come home at 2 and 3 in the morning. By this time I had had too much.
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“He was different and I didn't want him near me. So we split up.''
Christian B is now serving a seven year sentence for the rape of a 72 year old American woman attacked in 2005 at Praia da Luz.
The three part series will be available on Discovery Plus.