During his term , several thousand military and civilian prisoners , including many women and children , were killed by communist groups in the Paracuellos massacres at Paracuellos del Jarama and Torrejón de Ardoz ( the biggest mass killings by the Republican side during the Civil War ) . The dead were buried in common graves . Carrillo denied any knowledge of the massacres in his memoirs but some historians like César Vidal or Pío Moa maintain that Carrillo was involved . In an interview with the historian Ian Gibson , Carrillo set out his version of events concerning the massacre
Paracuellos massacres
Paracuellos massacres
Santiago Carrillo