A Lethal Fix

From BoardGameGeek:

Dive into the gripping mystery and develop your theory about what happened. Analyze suspect conversations, articles, evidence, and more. When you're ready, open the solution PDF to check your deductions and calculate your score. Can you solve the case and achieve Legend status? Murder mystery plot: A man is found dead in his apartment. A single needle mark and signs of substance abuse-it seems like an open-and-shut case. But the deeper you dig, the more suspects and motives you uncover. Was it an accident, or something far more sinister? -description from the publisher