A soldier lays flowers at the monument to World War II hero Capt. Witold Pilecki, who volunteered to go to Auschwitz and report on the atrocities there, and was later killed by Poland's communist regime, during ceremonies of the monument's unveiling in Warsaw, Poland, Saturday, May 13, 2017.(AP Photo/Czarek Sokolowski) (AP Photo/Czarek Sokolowski)

A 39-year old Polish veteran volunteered to be imprisoned in Auschwitz to collect intelligence and to organize a resistance from inside the camp. Here is his heroic story.

In September 1940 the 39-year-old Polish cavalry officer Witold Pilecki deliberately walked into a German roundup in Warsaw and was sent by train to the new German camp.

What drove this amazing person to risk his life and volunteer to be captured and sent to Auschwitz?

Watch to learn about his amazing story and incredible heroism.