PROSECUTORS investigating the disappearance of Madeleine McCann have an “ace up their sleeve” according to a top criminologist.
Christian B, 43, was identified last month as being the prime suspect in her abduction.
Now German criminologist and profiler Mark T Hofman said: “In my view, there is no doubt he was at the scene.
“Mobile phone data proves he was by the apartments. Also, his record fits the profile.
“I’m sure the prosecutor will pull an ace from up his sleeve and have more than we know so far.”
Christian B is serving 21 months in a German prison for drugs offences.
Madeleine vanished from Praia da Luz, Portugal, in 2007 aged three.
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