In ‘The Girls Who Fought Crime: The Untold True Story of the Country’s First Female Investigator and Her Crime Fighting Squad’ (Sourcebooks), retired US Army Major General Mari K. Eder tells the story of Mary Foley, a pioneering police officer in New York City in the 1920s and 1930s. Born in 1886, Mary, or “Mae,” Foley was raised by Irish and French immigrant parents in the Gas House District of Manhattan’s Lower East Side and was always interested in a police career, despite marrying young and having children. But she was a multi-tasker par excellence. “Mae balanced all aspects of...