sentences:  The fighting continued until dawn, when Villa fled back across the Mexican border, five hours after invading and approximately ninety minutes after attacking the town.Despite the U.S. Army's counter "Mexican Expedition" into Mexico, Villa was never caught; United States forces began engagement into The Great War and was unable to commit to Pancho Villas capture; he died seven years later at the hands of an assassin.Eighteen Columbus residents and U.S. soldiers were killed in the raid, while approximately seventy-five of Villa's soldiers were killed.