An observer at the trial, journalist and author William L. Shirer, wrote that, compared to his codefendants, Speer "made the most straightforward impression of all and ... during the long trial spoke honestly and with no attempt to shirk his responsibility and his guilt".
En observatør ved retsagen journalist og forfatter William L. Shirer skrev at sammenlignet med sine medanklagede "gjorde Speer det mest ligefremme indtryk af dem alle og ... under den lange retssag talte han ærligt og uden forsøg på at undslippe sit ansvar og sin skyld".