M.J. Trow has been writing true crime and crime fiction since the 1980s. A military historian by training, he taught in high schools for many years and has appeared on television and radio and lectured on cruise ships. Mr. Trow is back on the show to discuss his writings on the infamous serial killer Jack The Ripper and his investigation into the case where he not only names the identity of the unknown killer but also separates fact from fiction in the case.