San Pedro Sula in Honduras was the world's most dangerous city in 2011, according to Mexican think tank Citizens' Council for Public Security and Criminal Justice. This photo taken on March 30, 2012 shows relatives of victims of unrest at a local prison, in which 13 people died, receiving the corpses of their loved ones.
- [ORLANDO SIERRA/AFP/Getty Images]

A woman lights a candle at an altar set up in memory of 10,000 victims of violence in the border city of Ciudad Juarez in northern Mexico. Juarez ranked as the second most dangerous city in the world last year, according to Mexican think tank Citizens' Council for Public Security and Criminal Justice.
- [JESUS ALCAZAR/AFP/Getty Images]

Coming in at No. 3 on the list of most dangerous cities in the world last year was Maceio in northeastern Brazil, which is regarded as the country's murder capital. This picture taken on March 12, 2012 shows military policemen frisking residents during an operation in a shantytown of the city.
- [/AFP/Getty Images]

The popular resort city of Acapulco in Mexico was the world's fourth most dangerous city last year, with 128 murders per 100,000 inhabitants. More than 60,000 people have died in Mexico since December 2006 when President Felipe Calderon intensified an offensive against the country's powerful drug cartels.
- [/AFP/Getty Images]

This picture taken on September 28, 2012 shows a soldier standing guard on a public bus in the Honduran municipality of Distrito Central, which ranked No. 5 on the Citizens' Council for Public Security and Criminal Justice's list of most dangerous cities in the world last year.
- [/AFP/Getty Images]

A group of people – many of whom have lost a relative to violence – protest against insecurity in the Venezuelan capital of Caracas on July 28, 2012. The city was the sixth most dangerous city in the world last year, according to Mexican think tank Citizens' Council for Public Security and Criminal Justice.
- [/AFP/Getty Images]

The Torreon metropolitan area in northern Mexico was the seventh most dangerous city in the world last year, with 88 murders per 100,000 inhabitants. Drug cartels have been waging a violent turf war in the country's north as they battle for control of lucrative smuggling routes into the United States.
- [ALFREDO ESTRELLA/AFP/Getty Images]

In eighth place on the list of most dangerous cities in the world in 2011 is Chihuahua in northern Mexico.
- [ALEJANDRO ALANIS/AFP/Getty Images]

This picture taken on May 16, 2011 shows a trailer containing bodies found in mass graves across the Mexican city of Durango, which ranked as the ninth most dangerous city in the world last year, according to Mexican think tank Citizens' Council for Public Security and Criminal Justice.
- [RONALDO SCHEMIDT/AFP/Getty Images]

Relatives of prisoners in Belem jail in northern Brazil wait at the main gate on August 11, 2006. The city was ranked tenth most dangerous in the world in 2011.
- [/AFP/Getty Images]