Professor T.
Swan Song Part 2 (2x13)
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The team is closing in on drug lord Mark Desmedt, John discovers that chief inspector Rabet and Desmedt are working together. Professor T. has asked Annelies to assist him with his research in determining the exact profile of a murderer. He want to find out whether Flamant will be capable of murder when she finds out that her new boyfriend is not what he appears to be.