MADELEINE McCann suspect Christian B must have an escort to leave his cell after threats from inmates.
The convicted rapist and paedophile, 43, was put in solitary last month after German police said he was responsible for her abduction.
⚠️ Click here for the latest news on Madeleine McCann
Since his name emerged, he has been subjected to threats and hate mail and is now escorted by guards when he leaves for exercise or to meet his lawyer.
A source said: ”Special measures have been put in place for him because of all the publicity surrounding him.
“He is aware of what is happening and so are the other inmates.
”He has been placed in solitary confinement and when he leaves his cell for exercise or to meet his lawyer he always has guards with him.
”The possibility that someone may attack him because of the Madeleine Mccann publicity is very real.”
Christian B is serving 21 months in Kiel, Germany, for drugs trafficking.
The suspect has so far remained silent and not spoken with prosecutors who claim that have ”concrete evidence” Madeleine is dead.
Madeleine, three, vanished in Praia da Luz, Portugal, in 2007.
on on or EMAIL [email protected]