Looking for something different? Nordic-style larp, or Nordic Larp, is a term used to describe a tradition of larp game design that emerged in the Nordic countries. Some aims and ideals typical for this unique gaming scene include immersion, collaboration and artistic vision. 

DriveThruRPG is currently the largest online marketplace devoted to RPGs and RPG-related materials. This is also a good place to look for Murder and Mystery games, as well as LARP scenarios.

Tabletop Audio is an ambient game audio site on the web. Great choices for musical ambiences and audio cues.

This book from Steve Hatherley outlines a structured process for writing freeform larps, covering the initial concept through to running the game. Topics covered include writing plots and characters, character sheets, and rules and mechanics. This is 100% applicable to Murder and Mystery games.

Community for murder mystery dinner party related discussion. Not the most active community on Reddit, but a good start to look for precious information.

LE site français pour trouver des scénarios en libre téléchargement. C'est un très chouette bazar où il faut faire du tri dans l'offre, mais il y a de vraies perles.

Autre site de référence français, avec conseils et scénarios

Collection de Soirées Enquête des années 1990 ayant influencées par la suite nombre de créations françaises.

Site d'une autrice qui écrit, publie et partage son expérience des murder party.