Assistant Commissioner
In September 1918, General Sir Nevil Macready was appointed Commissioner of the Metropolitan Police. He knew Horwood from when had served as Adjutant-General of the BEF from 1914 to 1916, and appointed him Assistant Commissioner "A", in charge of administration and uniformed policing. He took up the post on 1 November 1918, having previously served as a Chief Constable for just three days. During his time in this post, Horwood was responsible for the introduction of the first women police and set up the first mobile patrols, which later developed into the Flying Squad. In 1920, Macready was sent to command the troops in Ireland, and advised the Prime Minister, David Lloyd George, to appoint Horwood as his successor, which Lloyd George duly did. He took up the post on 20 April 1920.
Read more about this topic: William Horwood (police Commissioner)