Billy The Kid: New Evidence(2015)

Overview:

In a California memorabilia shop in 2010, collector Randy Guijarro bought a tintype that looked to be a familiar figure, Billy the Kid - playing croquet with his gang known as The Regulators. As the gravity of the discovery began to set in, Guijarro initiated a chain of events that would lead him on a painstaking journey to verify the photograph's authenticity.