When Ezra Chipman brought fellow Canadian George Sternaman to board at his Buffalo home, he set in motion a nightmarish chain of events. Within months, Ezra was dead of a mysterious ailment. Then, shortly after marrying Ezra's widow Olive, George developed similar symptoms. Impoverished by George's long illness, the family moved to his mother's farm in Haldimand County, Ontario. There, in August 1896, 24-year-old George Sternaman died. After...