is responsible for policing crime within the whole city, and operates a number of divisions. The Bucharest Police are headquartered on Ștefan cel Mare Blvd. in the city centre, and at precincts throughout the city. From 2004 onwards, each sector city hall also has under its administration a community police force (Poliția Comunitară), dealing with local community issues. Bucharest also houses the general inspectorates of the Gendarmerie and the national police. Crime Bucharest's crime rate is rather low in comparison to other European capital cities, with the number of total offences declining by 51% between 2000 and 2004, and by 7% between 2012 and 2013. The violent crime rate in Bucharest remains very low, with 11 murders and 983 other violent offences taking place in 2007. Although violent crimes fell by 13% in 2013 compared to 2012, 19 murders (18 of which the suspects were arrested) were recorded. Although in the 2000s, a number of police crackdowns on organised crime gangs occurred, such as the Cămătaru clan, organised crime generally has little impact on public life. Petty crime, however, is more common, particularly in the form of pickpocketing, which occurs mainly on the city's public transport network. Confidence tricks were common in the 1990s, especially in regards to tourists, but the frequency of these incidents has since declined. However, in general, theft was reduced by 13.6% in 2013 compared to 2012. Levels of crime are higher in the southern districts of the city, particularly in Ferentari, a socially disadvantaged area. Although the presence of street children was a problem in Bucharest in the 1990s, their numbers have declined in recent years, now lying at or below the average of major European capital cities. Quality of life As stated by the Mercer international surveys for quality of life in cities around the world, Bucharest occupied the 94th place in 2001 and slipped lower, to the 108th place in 2009 and the 107th place in 2010. Compared to it, Vienna occupied number one worldwide in 2011 and 2009. Warsaw ranked 84th, Istanbul 112th, and neighbours Sofia 114th and Belgrade 136th (in the 2010 rankings). Mercer Human Resource Consulting issues yearly a global ranking of the world's most livable cities based on 39 key quality-of-life issues. Among them: political stability, currency-exchange regulations, political and media censorship, school quality, housing, the environment, and public safety. Mercer collects data worldwide, in 215 cities. The difficult