This documentary examines the genetic evidence of the claims of the Book of Mormon. Are the native Americans decedents of the lost tribe of Israel? This documentary examines the genetic evidence of the claims of the Book of Mormon. Are the native Americans decedents of the lost tribe of Israel? This documentary examines the genetic evidence of the claims of the Book of Mormon. Are the native Americans decedents of the lost tribe of Israel? This documentary examines the genetic evidence of the claims of the Book of Mormon. Are the native Americans decedents of the lost tribe of Israel?