Guillermo Galdos , Latin America Correspondent

Last week, this programme exposed how Cambridge Analytica claimed to have intervened – often secretly – in elections around the world. Now the secrets are unspooling. An undercover reporter for Channel 4 News posed as a fixer for a wealthy client hoping to get candidates elected in Sri Lanka. Last week, that country’s Prime Minister…

Our Latin America Correspondent Guillermo Galdos spent a week in the city of Ciudad Juarez, one of the key routes for drugs and people into the United States and where the war’s frontlines are becoming even more blurred.

America’s addiction to opioids is so great that in October President Donald Trump declared a National Health Emergency. And the statistics are grim with hundreds of people losing their lives to overdoses every week. The problem is particularly acute in the US territory of Puerto Rico, where people are still trying to get back on…

Venezuela’s mounting problems have driven thousands of people to leave the oil-rich nation. Guillermo Galdos travelled to Trinidad and Tobago, which has seen an influx of Venezuelans looking for work. In his report, he meets women who have turned to prostitution in order to feed their families back home. A warning, it does contain strong…

The Venezuelan President Nicolas Maduro has claimed victory in a vote that will allow him to rewrite the constitution and give hand almost unlimited powers to the ruling Socialist Party. But the United States has already dismissed yesterday’s election as a sham, while opponents have rejected official claims that 8 million people turned out to…

Eighty protesters have now died in months of violent clashes with police. Today the UN has urged Venezuela’s President to uphold the rule of law and the right of people to protest. Along with the crackdown on protests, the economic situation is getting worse.  And it’s Venezuela’s most vulnerable who are suffering most, as Guillermo…

For three months, Venezuela has been rocked by violent unrest. At first protesters took to the streets against the Government and its increasingly unpopular President Nicolas Maduro.  Anger has grown  and the demonstrations have become a national movement against Venezuela’a crippling long-term social problems. basic services. There are food shortages and hospitals are struggling to…

Violence has broken out at demonstrations around the country. Opposition activists vow to keep up pressure on the government.

Donald Trump insists he WILL build his wall – but both Congress and Mexico are refusing to pay for it, and even his supporters are sceptical it’ll keep illegal immigrants out – tonight we have a special report.

A series of riots in jails across Brazil in recent months have left dozens of prisoners dead. The incidents, in a country with the third largest prison population in the world, have raised serious questions about conditions and staffing in Brazil’s jails.

What’s happening right now along that 1,900 mile border, to those who hoped to follow their American dream and escape to a new life? Guillermo Galdos has been out with the US border patrol and finding that the situation along the frontier may already be changing.

It was one of Donald Trump’s key campaign promises: a wall along the US southern border with Mexico. But the policy also led to a surge in people trying to make it to the US before the election.

United Nations officials in Colombia have got into trouble after they were filmed dancing with leftist FARC rebels while they were supposed to be monitoring a peace deal.

He called Mexicans “rapists and drug dealers” and threatened to send 11 million undocumented migrants home. Few policies have been as contentious as Donald Trump’s plans to deal with immigration, especially that of Hispanic migrants. They react to his election here.

We travel with two sisters from El Salvador desperate to be reunited with their mother in America – before Donald Trump has a chance to build a wall to keep them out. Film by Guillermo Galdos and Thom Walker