From false convictions to botched executions, from erroneous admission of evidence in a criminal trial to misunderstandings that arise in the process of creating contracts, law is awash in mistakes. These mistakes can be unintentional deviations from expected practices or the result of intentional actions that produce unintended negative consequences. They may become part of a process of response and correction or be accepted as an inevitable cost of action. Some mistakes are external to law itself, such as errors in an agreement made by two private parties. Others are made by legal actors...