When the infamous Butch Cassidy and his deadly band of outlaws pull off a high dollar train robbery, the legendary Pinkertons raise a deadly posse to hunt them down.When the infamous Butch Cassidy and his deadly band of outlaws pull off a high dollar train robbery, the legendary Pinkertons raise a deadly posse to hunt them down.When the infamous Butch Cassidy and his deadly band of outlaws pull off a high dollar train robbery, the legendary Pinkertons raise a deadly posse to hunt them down.