Post Mortem is a murder mystery adventure game by Microïds, released in 2002. Its sequels are Still Life and Still Life 2.

After returning to the quiet streets of Paris to pursue a life of painting, Gus Macpherson could not escape his true art…
The former New York detective finds himself walking the beat once again, when hired by a sensuous woman to investigate the gruesome beheadings of her sister and brother-in-law. In the dark and mysterious streets of Paris and plagued by his clairvoyant sixth sense, Gus will uncover a conspiracy written in blood, with rituals and artifacts as old as time itself.
Key features:

Post Mortem Key Features:
1, Stunningly beautiful 360° panoramic views
2, Rich and intriguing characters
3, Detailed, realistic environment
4, Multiple game paths integrated into the story
5, Original and creative puzzles
6, Prequel to Still Life adventure game