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The first reports of Tren de Aragua’s expansion outside of Venezuela appeared in 2018. As migrants headed further south, so did Tren de Aragua.

While there is some cause for concern, medical fentanyl is significantly different from the illicit fentanyl that has caused a health crisis in the US and Mexico.

Peace talks in Cauca hang by a thread after the killing of a Colombian soldier by the ex-FARC mafia.

Venezuela’s rampant dollarization has fed a national demand for counterfeit dollars, and criminal groups in neighboring Colombia and Peru have ramped up production.

"We hope that the government complies with the agreement and that this is not like the 12 or 16 past peace processes that have failed in Colombia," said Jerónimo.

The Special Jurisdiction for Peace announced the opening of a judicial process dubbed “Macrocase 11” to further examine sexual and gender-based violence by armed groups.

Pablo Escobar's former hitman, Henry Holguín, explains how he exchanged killing for peacebuilding ahead of Colombia's Total Peace talks.

Venezuela produces industrial quantities of urea, tons of which are stolen and smuggled into Colombia to feed cocaine labs.

Negotiations between Colombia and armed groups do not include a ceasefire between feuding criminal factions — and civilians remain caught in the crossfire.

Despite growing concerns among residents, experts said the Gaitanistas and Tren de Aragua both lack the foothold to wage all-out war and that a dramatic rise in insecurity would be unlikely.