did goldman gilad know he would go on to play a pivotal role as an investigator in the trial of adolf eichmannhe entered the room, i saw a poor, frightened person shaking. and in comparison to eichmann in his ss uniform, i couldn't believe it, it was the same person standing in front of me, responsible for the death of my parents. when he opened his mouth, i cannot forget this, when he opened his mouth i saw the doors of the crematorium open. >> reporter: goldman gilad and investigative team, many of them holocaust survivors themselves, interrogated eichmann over the course of several months. they went through thousands upon thousands of documents, piecing together the horrific events and building a volume of evidence that they hoped could prove eichmann's role beyond a shadow of a doubt. >> translator: one of the documents was from poland documenting a single transport to auschwitz in november, 1943. and it has a list of numbers of those who arrived, those who were sent to the camps, those sent to the crematoriums. i realized my number is part of that list. 161135. so i look at them and i sai