Readers who appreciate the more macabre aspects of history may enjoy the London Medieval Murder Map. Here, visitors will find an interactive map of the medieval city of London with pins marking the locations of 142 homicides that were committed between 1300-1340 and recorded on the city's Coroners' Rolls. Clicking a pin brings up a short narrative of that location's murder, the details of which were gathered by an investigative jury shortly after it occurred. For example, one incident in the Cheapside area involved an eel-seller who died after being beaten for discarding eel skins outside a shop. Visitors can filter the map's contents by fields such as year, murder weapon, and victim's gender, and they can choose between two different historical maps. Links below the map (and in the menu to its left) lead to pages explaining how it was created, how 14th-century London operated, and what this data tells us about London's violence during this period. Additionally, a video of a lecture presented at the project's launch is available via a link above the map. Launched in November 2018, this resource is a project of the Violence Research Centre (VRC) at the University of Cambridge's Institute of Criminology and was led by Manuel Eisner, a Professor of Comparative Criminology and Director of the VRC.