In 1949, the UK's most prolific serial killer was convinced he could get by with murder forever. No forensic evidence, no conviction.But he was wrong.Based on a true story, and edited by Bram-Stoker nominated horror writer, Robert W. Walker, find out how a 69-year-old infirming grandmother brought down John George Haigh, Jr, also known as "The Acid Vampire" with one of the most unusual pieces of forensic evidence to date in this account of Haigh's final crime, and the hubris that finally brought him to justice.