This is the Zodiac Speaking

This is the Zodiac Speaking is a dark, fact-based single-player FPP adventure thriller combining stealth & detective modes in a stylized world of California 1970s and based on the story of Zodiac, one of the most famous never-caught serial killers. Play as Robert Hartnell, a San Francisco journalist, who receives a phone call from the Zodiac greeting him with the memorable "Hello, this is the Zodiac speaking".