"The Crime of the Brigadier" is a short story written by Arthur Conan Doyle first published in The Cosmopolitan in December 1899. It is the 10th story of the Gerard saga. In collected volumes, the story was also published as "How the Brigadier Slew the Fox."
While on a reconnaissance behind British lines, Gerard inadvertently joins a fox-hunt with unpardonable results. (Sources: The Arthur Conan Doyle Encyclopedia and Wikipedia)