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Diana Montoya Sierra

Security Editor

Medellín, Colombia

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Investigative journalist specializing in organized crime, drug trafficking, and citizen security in Latin America. Winner of the 2024 Gabriel García Márquez Journalism Award.

5 Articles Last published: Apr 28, 2026

All Security (5)

Diana Montoya Sierra

Bombing on Colombia Panamerican Highway Kills 20 in Cauca

At least 20 dead and 36 injured after an explosive device was detonated on a bus on the Pan-American Highway in Cajibío, Cauca; the government blames...

Updated On : 28 Apr 2026 | 2:00 PM IST Security

Relatives of victims pay respects at the site of the attack on the Pan-American Highway in Cajibío, Colombia, on April 26, 2026

Shooter Kills Tourist at Teotihuacan, Leaves 13 Injured

A gunman killed a Canadian tourist and injured 13 people at the Teotihuacan pyramids on April 20, 2026, triggering a security protocol review with the...

Updated On : 20 Apr 2026 | 6:00 PM IST Security

View of the Pyramid of the Moon in Teotihuacan, State of Mexico, after the April 20, 2026 shooting

Paraguay Fights Organized Crime at the Triple Border

Paraguay reinforced its security strategy in the Triple Frontier with an elite unit of 500 officers and cooperation with the US, Brazil, and Argentina...

Updated On : 20 Mar 2026 | 9:00 AM IST Security

Friendship Bridge between Paraguay and Brazil over the Paraná River, in the Triple Frontier zone

Honduras Seeks to Exit Security Crisis with Police Reform

Honduras advances in 2026 in a deep police reform with UN and EU support, expelling 1,200 corrupt officers and running reinsertion programs for former...

Updated On : 08 Mar 2026 | 9:00 AM IST Security

New cadets of the National Police of Honduras at a graduation ceremony in Tegucigalpa

Ecuador Intensifies Anti-Drug Fight with US and Colombia

Ecuador intensifies its fight against drug trafficking with US and Colombia support, reporting a 15% reduction in homicides but persistent violence in...

Updated On : 02 Apr 2026 | 9:00 AM IST Security