Matematika zloÄŤinu

Tomáš Toman writes to journalist Magdalena Sodomková from an Indonesian prison. He was arrested on the run from Czech justice and claims that he did not commit the crime for which he was sentenced to twelve and a half years in prison. He was allegedly sent to prison by a questionable opinion of a court expert nicknamed the Mathematician of Crime. Is it possible that the expert miscalculated this time?