Documenting the horrors of Mauthausen concentration camp

LeRoy "Pete" Petersohn, an Army medic, felt compelled to document the atrocities he witnessed at the Mauthausen concentration camp after helping to liberate it in 1945. At just 22 years old, Petersohn took on the solemn task of recording the horrors he encountered, believing it was his duty to preserve this history for future generations.

His son shared that Petersohn felt an overwhelming urge to record his experiences in a letter home. This testimony, born from the immediate aftermath of liberation, serves as a stark firsthand account of the Nazi regime's brutality. The act of documenting these events was not merely a personal response but a conscious effort to bear witness to a dark chapter in human history.

The Mauthausen camp, established in 1938, became one of the largest labor camp complexes in Nazi-controlled Europe. Its liberation by American forces in May 1945 revealed unimaginable suffering and systematic extermination, leaving an indelible mark on those who witnessed it firsthand.

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He felt he had to record it for history. He felt a compulsion to do it.