BOM - According to Blackthorn's opening credits, some investigators believe Butch Cassidy and the Sundance Kid didn't die, as the history books say, in a blaze of South American gunfire. In a way, to believe the textbook death is not to believe the legend. Presuming their whereabouts to be as mythic as their personae, Blackthorn follows a salted but genteel Butch as he writes letters to the kid he calls nephew and leaves his life in Bolivia to meet his only living relative.
