A 105-year-old man is under investigation by Dortmund prosecutors for suspected complicity in multiple murders at Stalag 326 VI K, a prisoner of war camp in the Senne region of North Rhine-Westphalia that held between 180,000 and 200,000 Soviet prisoners between 1941 and 1945. The case was initiated by the Central Office for the Investigation of National Socialist Crimes in Ludwigsburg, which passed its preliminary findings to prosecutors alongside those of another former guard who has since died. The investigation belongs to a distinct legal era that began with the 2011 conviction of John Demjanjuk, a former guard at the Sobibór death camp. That case established that presence as a functioning component of the killing apparatus was sufficient for complicity — direct evidence of individual killings was no longer required. Demjanjuk was convicted as an accomplice to the murders of more than 28,000 Jews despite no proof he had personally killed anyone. He died in 2012 at 91, before his appeal could be heard. The Demjanjuk precedent unlocked a wave of prosecutions targeting nonagenarians and centenarians who had previously been considered too peripheral to charge. Josef Schütz, a Sachsenhausen guard, received a five-year sentence in June 2022 and died the following year at 102. Irmgard Furchner, a secretary to the commandant at Stutthof, received a two-year suspended sentence — her trial was filmed for historical purposes after she made headlines by fleeing her retirement home on its opening day. In April last year, another alleged Sachsenhausen guard died before facing charges over complicity in more than 3,300 murders. A parallel investigation opened last year targets a 100-year-old former guard at a PoW camp in Hemer, also in North Rhine-Westphalia, suspected of participating in executions of prisoners between December 1943 and September 1944. That camp, like Stalag 326, held mainly Soviet prisoners — a population whose wartime suffering has historically received less juridical attention than the Holocaust. The Stalag system represents a specific category of Nazi atrocity. Up to 5.7 million Soviet prisoners were held in German captivity during the war. More than half — over 3 million — did not survive. The scale of death was not incidental but structural: deliberate starvation, exposure, disease, and execution were standard features of the system. Stalag 326 was liberated by American troops in April 1945. If this case proceeds to trial, legal scholars and historians expect it to function partly as an evidentiary proceeding for the historical record, drawing survivors and experts to testify about the Stalag system. The educational and documentary function of these late trials has become as significant as the punitive one — the Furchner trial's filmed proceedings were an explicit acknowledgment of this dual purpose. The biological clock is now the binding constraint on German accountability for Nazi crimes. Every investigation is a race against mortality, and each suspect who dies before trial — as happened with the second Ludwigsburg referral in this case — narrows the window permanently. The Demjanjuk precedent gave prosecutors a broader legal tool, but it arrived decades after most perpetrators had already died beyond the reach of any courtroom.