The recent convictions of Amanda Knox (pictured) and Raffaele Sollecito have been front page news. A finding of guilt against Knox and Sollecito was always going to arouse controversy, particularly since the way that they behaved after the murder may well have damned them.

“We were able to establish guilt…” declared Edgardo Giobbi, the chief police investigator at an early stage “…by closely observing the suspects’ psychological and behavioural reactions during the interrogations.” Without question, Knox’s behaviour required explanation. Reports of her changing her story and performing cartwheels in the police station did not square with public expectations of how an innocent person would ordinarily behave. But does that mean she was guilty?