Drifter Carl Panzram killed, by his own admission, 21 people. Unrepentant and unremorseful even at his hanging in 1930, Panzram insisted that attempts to reform criminals like him were futile. Panzram was born on a Minnesota farm in 1891 into a family which the father abandoned seven years later. The troubled youth began drinking at an early age and was first arrested at the age of eight for disorderly conduct. He ran away from home at the age of eleven but was caught and sent to a reform school, the Minnesota State Training School at Red Wing. There he was sodomized. He also developed a strong dislike for organized religion. He committed arson while there but was discharged at the age of 13. Next, he ran away from a Lutheran boarding school and began hopping freight cars on his way west. He was assaulted by four railroad hobos in a boxcar at...