THE LAW: A Principle of Justice

Just about dinnertime, on May 11, 1941, a garment worker named Santo Caminito was picked up by New York police for the holdup-murder of Coney Island Merchant Murray Hameroff. Although Caminito had never been arrested before, the cops were sure they had their man. They set out to get a confession—and they did.

Santo Caminito was thrown into a bedless cell. His family and a lawyer retained by relatives were denied permission to see him. Relays of detectives questioned him for 27 hours, giving him almost no rest. To show Caminito how hopeless...