Costa Rican police escort alleged drug trafficker Alejandro Arias Monge, known as ‘El Diablo’, after his arrest during an operation in Limon province on July 24, 2026. — Handout pic by Costa Rica's Judicial Investigation Agency via AFP First Published: Saturday, 25 Jul 2026 12:47 PM MYT SAN JOSE, July 25 — Costa Rican police arrested the country's most wanted drug trafficker Friday, in an operation that left one person dead and eight injured, officials said.The United States had offered US$500,000 (RM2.05 million) for the arrest of Alejandro Arias Monge, who is known as “El Diablo”, before he was taken into custody Friday morning in Rio Frio, in the northeastern province of Heredia, Costa Rica's Attorney General Carlos Diaz told reporters.Diaz said law enforcement targeted a meeting of leaders of criminal organisations on a rural property where another leader, Roney Rios, was killed.About 2,500 bullets were fired and eight police officers were injured in the operation, Diaz said.The US embassy in San Juan issued a statement congratulating the Costa Rican government on the successful operation.“El Diablo” had been sought by authorities for about 10 years, and authorities suspect he was hiding out in neighbouring Nicaragua for part of that time.In recent years, drug trafficking has surged in Costa Rica, which was once Central America's safest country. — AFP