Mystery Theme # Whatever by FlaxmanR

Question 10

He was appointed a Deputy US Marshal by Theodore Roosevelt in 1905, years removed from his days as a Wild West gunfighter and sheriff, but was fired by President Taft in 1909 and returned to his last career as a boxing reporter. What lawman and journalist was also the subject of an NBC television series from 1958 to 1961 and was played by Tom Sizemore in the film “Wyatt Earp?”

William Barclay "Bat" MASTERSON