MADRID , Spain ( CNN ) -- A Spanish judge has indicted three suspected former Nazi concentration camp guards Thursday on charges of genocide and ordered their arrests . Visitors mark 60th anniversary of liberation Sachsenhausen concentration camp in 2005 . Two of the suspects , Johann Leprich and Anton Tittjung , each 84 , are thought to live in the United States , while the third , Josias Kumpf , also 84 , is believed to live in Austria , according to a copy of the court order viewed by CNN . They are accused of serving in the Nazi SS . Leprich and Tittjung were armed guards at the Mauthausen concentration camp and Gross Raming subcamp , while Kumpf served at the Sachsenhausen camp , the court order said . In addition to Jews and other types of prisoners , the Spanish judge said there more than 7,000 Spaniards held prisoner at Mauthausen , of whom 4,300 died . Some Spaniards arrived at the Sachsenhausen camp , in convoys from France , the document said . The order , including international arrest warrants , was issued by Judge Ismael Moreno of Spain 's National Court , which investigates genocide and crimes against humanity involving Spaniards . The 18-page document cited prior judicial investigative work from other countries regarding the backgrounds of the three alleged ex-Nazi guards and their suspected roles in the notorious Nazi death camps during World War II .
Spanish judge indicts three suspected former Nazi concentration camp guards . The men are accused of being part of a network that ran the Auschwitz death camps in Nazi-occupied Poland during World War II. Order includes international arrest warrants .