Most Information and Bio picture are from Xbox360Achievements.org and its posters xRogue 5x and Fizzmatix. Original thread can be found at this location.
Sharpshooter Bailey is a Most Wanted Ghost that appears in Ghostbusters: The Video Game in online mode. He is a variation of the Confederate Ghost and the Union Ghost and appears when the player has captured Grundel and also captured 15 Civil War Ghosts in any level. He only appears in the Museum levels.