Fox News mainstay Bill O'Reilly jumps behind the camera, serving as executive producer of this series that explores stories behind some of the most famous -- and infamous -- figures of the Old West. Each episode delves into the life of one such individual, using new interviews, archival photos and forensic science to paint a complete picture of the person. Direct descendants and historians are among the interviewees who shed light on the lives of such figures as Jesse James, Davy Crockett, Doc Holliday and "Wild" Bill Hickok. The 10-episode series is a companion to O'Reilly's book of the same name.

Possibly the West's most notorious outlaw, William Bonney kills his first man at just seventeen; soon Billy the Kid joins a gang of murderers and thieves; evidence suggests that the story of Billy the Kid continues.

Frontiersman and Army officer Christopher Houston "Kit" Carson's many accomplishments are exaggerated in news stories and dime novels.

Fox News mainstay Bill O'Reilly jumps behind the camera, serving as executive producer of this series that explores stories behind some of the most famous -- and infamous -- figures of the Old West. Each episode delves into the life of one such individual, using new interviews, archival photos and forensic science to paint a complete picture of the person. Direct descendants and historians are among the interviewees who shed light on the lives of such figures as Jesse James, Davy Crockett, Doc Holliday and "Wild" Bill Hickok. The 10-episode series is a companion to O'Reilly's book of the same name.