MythBusters - Season 13 Episode 11 Supernatural Shooters Failure is always an option.
Overview: Adam and Jamie take aim at Hollywood's infallible hit men and their seemingly supernatural ability to take down a target. First up, can an armed assassin use a single well-placed shot to kill his victim on the other side of a wall? Do interior walls truly provide such little protection, and can you really track an unseen target this way?