 According to Pavez' investigations, between his "disappearance" and the discovery of his corpse, Colonel Huber had been detained in a secret military installation operated by Chilean intelligence.Pavez has suggested that Huber had been kidnapped by BIE agents and transferred to a secret detention center of the Escuela de Inteligencia del Ejército (EIE, School of Army Intelligence) in Nos, which was also the location of the Laboratorio de Guerra Bacteriológica del Ejército (Bacteriological Warfare Army Laboratory).The laboratory was headed in 1992 by General Covarrubias.