The Rio de Janeiro state police's top officer resigned last week after saying he was responsible for the nomination of the police chief arrested with other officers in the killing of a judge.
Blogger James Bosworth lists questions for presidential candidate and Texas Governor Rick Perry, who said that sending US troops to Mexico may be the only way to curtail drug violence.
President Obama, by saying this week that he's looking for a transformation in Cuba before 'fully engaging,' ignores actual changes in Cuba and hurts US-Cuban relations, argues guest blogger Anya Landau French.
Hugo Chávez assembled reporters to his palace and played ball, after a Miami-based newspaper suggested the spirited Venezuelan President was on his last legs.
The Mexican border town of Nuevo Laredo has seen three brutal killings in an apparent campaign by the Zetas cartel against social media websites. What is it about these sites that makes the Zetas so angry?
Gov. Jan Brewer (R) of Arizona will miss a chance to soothe tensions over last year's conference, which her Mexican counterparts boycotted in protest of her signing a tough immigration law.
Brazil has performed well, writes guest blogger Greg Michener, but its leaders' swagger reflects an immodesty unmerited for a country as susceptible to the winds of change as Brazil.
Mexican drug cartels are not an insurgency, argues guest blogger Patrick Corcoran, and thus a US counterinsurgency campaign in Mexico probably wouldn't solve the country's crime problems.
Had Bolivia's President Evo Morales not backed down in a dispute over the construction of a key road through the country's rainforest, deadly protests could have toppled his presidency, argues guest blogger James Bosworth.
Guest blogger Miguel Octavio argues that by capping car prices, Venezuela is choking the domestic automotive market, despite the country's cheap gas and high demand for cars.
Mexican officials identified several of the bodies dumped on a Mexican highway as Zeta gang members. A gang linked to the Sinaloa Cartel claimed responsibility for the murders.
In the state of Veracruz, 35 bodies were dumped Wednesday on a busy avenue during rush hour. Mexico's roadways have become a frequent stage for drug war violence.
In three months deep water drilling is set to begin in Cuban waters in the Gulf of Mexico, but the US embargo on Cuba could spell catastrophe should a repeat of the Deepwater Horizon spill occur.
Today, Brazil formally unveils its plans for the multi-country initiative, a timely move as ministers are sacked and people take to the streets to demand more transparency.
The DAS, Colombia's scandal-ridden intelligence service, is alleged to have provided intelligence – including identities of undercover agents – to one of the region's most wanted drug lords.
Six earthquakes hit the tiny Central American nation of Guatemala Monday, killing at least three people.