Their first communiqué was published on August 25 , 1978 , following an attack on two policemen that concluded with officer Julio Rodríguez Rivera dead in retaliation for the Cerro Maravilla murders . The federal government claimed the incident was an attempt to steal his police car . On October 2 , 1978 , the EPB and Volunteers infiltrated an armory and took 500 pounds of ammonium nitrate , dynamite cartridges , 988 blasting caps and 17,500 feet of primacord . In September 1979 , the EPB revealed that it was working in conjunction with the Volunteers , FARP and FALN
Cerro Maravilla murders
Cerro Maravilla murders
Boricua Popular Army