Fatal

In an era that produced some of the most vicious female sociopaths in American history, Jane Toppan would become the most notorious of them all. AN ANGEL OF MERCY In 1891, Jane Toppan, a proper New England matron, embarked on a profession as a private-duty nurse. Selfless and good-natured, she beguiled Boston's most prominent families. They had no idea what they were welcoming into their homes.... A DEVIL IN DISGUISE No one knew of Jane's past; of her mother's tragic death, of her brutal upbringing in an adoptive home, of her father's insanity, or of her own suicide attempts. No one could…