Des

I know - he is a great actor. But this series proofs more. Because he gives a brilliant game of nuances , fascinating, off course, but , more important convincing in the most creepy way. Portrait of a serial killer is the soft definition. But you feel , slice by scene than it is more. A high demonstration of unique science to explore the character in fair and precise manner. In this case, the performance of David Tennant becomes a story itself.