Scientific sleuthing and slip-ups in the investigations of fifteen famous cases Ranging from the Turin Shroud and the suspicious death of Napoleon Bonaparte to the murder cases of Dr. Sam "The Fugitive" Sheppard and O. J. Simpson, A Question of Evidence takes readers inside some of the most vexing forensic controversies of all time. In each case, Colin Evans lays out the conflicting medical and scientific evidence and shows how it was used or mishandled...