Sherlock Holmes

Meet David Nunes Carvalho, the Jewish Investigator Who Rivaled Sherlock Holmes

Long before the advent of DNA evidence, it was the trail of ink, not blood, which often provided detectives with a direct, chemical connection between criminals and their crimes. A century ago, David Nunes Carvalho, a renowned expert on ink, handwriting and print, became a central figure in some of the world’s most sensational investigations,…