Revealing mistake: At the very beginning, there's a square piece of board on the dead body's back, on which to support the knife.
The Mentalist (2008)
1 revealing mistake in season 6
Starring: Robin Tunney, Simon Baker, Owain Yeoman, Tim Kang
Revealing mistake: Any time any character is driving a Suburban, or any other vehicle with a column mounted shift lever, the shifter is in park while they appear to be driving.
Kimball Cho: What do you need?
Patrick Jane: Backup.
Kimball Cho: I don't like it when you say you need backup and nothing's happened yet.
Trivia: At the time the episode was shooting, Lucy Davis, who plays the victim's widow, was married to Owain Yeoman.