History of the Metropolitan Police Service by the end of the 19th century. During the 1860s, the flintlock pistols that had been purchased in 1829 were decommissioned from service, being superseded by 622 Beaumont–Adams revolvers firing the .450 cartridge which were loaned from the army stores at the Tower of London following the Clerkenwell bombing. In 1883, a ballot was carried out to gather information on officers' views on whether they wished to be armed, and 4,430 out of 6,325 officers serving on outer divisions requested to be issued with revolvers. The now obsolete Adams revolver was returned to stores for emergencies, and the Bulldog 'Metropolitan
Dhaka Metropolitan Police community, Rapid Action Battalion and other national security agencies. Female officers were first inducted into the DMP in 1978. The DMP also raised a Special Women Police Contingent in 2008 with the intention of developing a special unit consisting only of women that would investigate crimes involving female criminals. An assistant commissioner heads the SWPC force of 24 women officers. The SWAT (Special Weapons And Tactics) is another elite tactical unit of the Dhaka Metropolitan Police which was established on 28 February 2009. SWAT (Bangladesh) operate under the Detective Branch of Dhaka Metropolitan Police. Dhaka Metropolitan Police The Dhaka Metropolitan