The Legend of the Police at the beginning of the 20th Century in 1907, France, which had just entered the 20th century, changed with each passing day with the rapid development of industry, and the traditional and ancient social structure was constantly broken every day, behind the famous "beautiful era". There are complex changes lurking. Similarly, with the development of new technology, criminal activity has also risen sharply, with a total of more than 100000 cases in 1906 and a high level in 1907. In contrast, the public security means and equipment of the 19th century French detective Vidoc, which has been used by the French police in the 19th century, have been obviously out of date, and the increasingly rampant illegal cases have made the French police unable to do what they want. In an unusually severe situation, George Clemenceau, then Minister of the Interior (later President of Parliament and Prime Minister of France), set up a special police force, a motorized police force, equipped with newly introduced cars and the same standard equipment as the army, using the latest technology at that time, including telephones, telegrams, fingerprint records and portraits of suspects. Valentine, who was devastated by the police headquarters, soon learned the news of the formation of the SWAT brigade and immediately asked to join. Valentine's integrity, alertness and efficiency have been recognized by colleagues, very.