It was reported that several Miami residents and Bosch met in the Dominican Republic shortly before the bombing and issued a statement declaring their intention to wage a terrorist campaign against Cuba.
また、マイアミ市民数名とボッシュが事件直前にドミニカ共和国で落ち合い、キューバへのテロを実行する旨の声明文を出したことも発覚している。