 Along with Manuel Provis, one of the main suspects in the Huber assassination, Covarrubias also allegedly detained DINA biochemist Eugenio Berríos in September 1991 before sending him to Argentina and then Uruguay.Covarrubias was also indicted for the kidnapping and murder of Berríos, who was killed in Uruguay in 1995.Investigations into the murder officially ended in July 2007.