Gang groups rioted on Saturday in several Guatemalan prisons, where they have been protesting since 2025 over the transfer of their leaders to a maximum-security facility, authorities said. The Barrio 18 gang and its rival, Mara Salvatrucha (MS-13) both designated as “terrorist” organizations by the United States and Guatemala are accused of contract killings, extortion, […] The post Gang Riots Erupt in Guatemala Prisons Over Transfer of Leaders appeared first on The Tico Times | Costa Rica News | Travel | Real Estate .