MCMurder.jar is a release file of the Minecraft plugin MCMurder - Murder from Garry's Mod, made for Minecraft 1.11, 1.8. It was published on April 19, 2017 and is 0 MB in size. For the full description, screenshots and every other version, visit the MCMurder - Murder from Garry's Mod plugin page.
How to install: Put the .jar into the plugins folder of your Paper, Spigot or Bukkit server and restart the server.