More than 60 manhole covers have been blown into the skies since last year, injuring dozens of people. Some see it as a worrying indicator of Rio's preparations for the 2014 World Cup and 2016 Olympics.
Brazil’s Federal Police say that arms traffickers are using new routes to get weapons into the country. Entry via sea port is now just as important as entry over land.
Arturo Valenzuela's return to academia, which had been announced in May, leaves the US without much needed diplomatic leadership in Latin America and the Caribbean.
Human rights activists say the move will rein in the military's abuses, which have sharply increased with the army's deployment against criminal gangs operating in Mexico.
The US Justice Department has announced plans to cut arms trafficking into Mexico by monitoring the sale of assault rifles in border states in the wake of a scandal over the 'Fast and Furious' gun tracing operation.
The new US- and Brazil-led initiative to encourage government transparency could provide the US another means to promote democracy and free trade.
Guest blogger James Bosworth says that despite the media's focus on violence in Latin America – which certainly can't be ignored – the region offers friendly faces and strong investments.
The Brazilian cities, which far outrank any US cities on Mercer's annual list, have climbed the ranks due to high taxes and a booming Brazilian economy.
Guest blogger Miguel Octavio thinks Monday's presidential primary in Venezuela, held by a united opposition seeking a single candidate to beat Hugo Chávez, bodes well for democracy in the country.
The arrest of a suspected Russian mafioso in Ecuador highlights the increasing presence in the country of international organized crime, says guest blogger Elyssa Pachico.
But while the captured crime boss's announcement is sure to fuel the debate over gun control in the US, there is reason to view it with skepticism.
The latest in the Mexican government’s series of 'myth-busting' videos challenges the idea that authorities aren't doing enough to hunt down Joaquin Guzman, leader of the Sinaloa Cartel.