Tottenham Mandem proximate cause of the 2011 England riots. Tottenham Mandem The Tottenham Mandem (also Tottenham Man Dem or TMD) are an organized street gang based in Tottenham, north London, that began on the Broadwater Farm estate prior to the Broadwater Farm riot in 1985. One of the early members and later leader Mark Lambie was a suspect in the murder of PC Keith Blakelock during that riot. Lambie had been top of Operation Trident's wanted list due to the close links he had built with gangs in Wembley, Harlesden and south London. He was jailed in 2002. In January 2014, it
Broadwater Farm preceding the riot. In an independent 2003 survey of all the estate's residents, only 2% said they considered the area unsafe, the lowest figure for any area in London. The estate also has the lowest rent arrears of any part of the borough. In 2005 the Metropolitan Police disbanded the Broadwater Farm Unit altogether as it was no longer required in an area with such a low crime rate. Bruce Castle, once the home of Rowland Hill, inventor of the postage stamp, is on the north side of Lordship Lane immediately opposite Broadwater Farm. It was built by William Compton