In 2010 there were 201 homicides in San Juan, a rate of around 50 per 100,000 residents. In 2019 they were 172 homicides a rate of 53 per 100,000 residents.Law enforcement in San Juan is the joint responsibility of the Department of Police and Public Safety, also known as the San Juan Police Department and the Puerto Rico Police Department. The Municipal Police, originally known as the "San Juan Municipal Guard", was created in 1521 and had active military and law enforcement functions until 1980, when Act #77 created municipal law enforcement agencies in Puerto Rico. It employs over 1,000 sworn officers plus civilian staff.