No surprise there. O'Reilly is a great big sloppy mess.
Malmedy's surviving culprits were prosecuted and punished, and were SS or Waffen SS (I forget). The quintessential fanatical Nazi (his purported last words, when he didn't in Franco's Spain, were "long live Adolf Hitler!") Otto Skorzeny predictably enough defended the officer who had the massacre carried out.
"when he didn't"
s/b
"when he died"