Jack the Ripper and Abraham Lincoln by Tony McMahon and published by Troubador. Available as an ebook and paperback on Amazon. Discover how an Irish American doctor was involved in both the assassination of President Abraham Lincoln and the Jack the Ripper killings of 1888. An openly gay man with a flamboyant persona investigated by LGBT author Tony McMahon. #history #london #truecrimecommunity #art #books #artist