Police the onset of the Industrial Revolution. It became clear that the locally maintained system of volunteer constables and "watchmen" was ineffective, both in detecting and preventing crime. A parliamentary committee was appointed to investigate the system of policing in London. Upon Sir Robert Peel being appointed as Home Secretary in 1822, he established a second and more effective committee, and acted upon its findings. Royal assent to the Metropolitan Police Act 1829 was given and the Metropolitan Police Service was established on September 29, 1829 in London as the first modern and professional police force in the world. Peel, widely
Metropolitan Police Service Units. The MSC has its own internal rank structure. The prefix "Woman" in front of female officers' ranks has been obsolete since 1999. Members of the Criminal Investigation Department (CID) up to and including the rank of Chief Superintendent prefix their ranks with "Detective". Detective ranks are equivalent in rank to their uniform counterparts. Other departments, such as Special Branch and Child Protection, award non-detectives "Branch Detective" status, allowing them to use the "Detective" prefix. None of these detective ranks confer on the holder any extra pay or supervisory authority compared to their uniformed colleagues. The Metropolitan Police Service consists