It was disturbing to gaze into the vacant eyes of a 5500-year-old man who could possibly be one of my most distant ancestors.

Otzi, as he is known after the location where he turned up, is sleeping in the northern Italian city of Bolzano between Verona and the Brenner Pass. But Otzi doesn’t rest in peace because he was a murder victim in a case that will never be solved, and because some scientist or another is always wanting to study him  or check on his health.