This is one of the ten Waffen-SS members accused by regular German army soldiers (who beat two of them, including the man seen here) of killing American prisoners of war at Malmedy, Belgium during the Battle of the Bulge (May 7, 1945). The Malmedy massacre was a war crime in which 84 captured Americans were murdered on December 17, 1944 by members of SS-Kampfgruppe Peiper. The massacre, plus others committed by the same unit, was prosecuted as part of the Dachau Trials of 1946.
The highly decorated SS-Standartenführer Joachim Peiper, 1.SS Division Leibstandarte SS Adolf Hitler. Peiper was convicted of war crimes and is mainly remembered as being complicit in the Malmedy massacre when on December 17th, 125 Americans were captured and gunned down by Peiper's men and was also accused of being complicit in the murder of another nineteen unarmed and captured Americans at Honsfeld and another 50 Americans at Büllingen.