DNA analysis of the remains of 17 bodies found at the bottom of a well were the victims of a vicious antisemitic attack in 1190 C.E. in England, as the Third Crusade began. The remains of what turned out to be a Jewish family were unearthed during the construction of a shopping mall in Norwich, England, in 2004, and after 18 years of analysis and technological advances, researchers in the U.K. now have decisively linked the remains found in the mass grave to the medieval massacre. The study used radiocarbon dating and genome sequencing and was published Tuesday in the...