Eliza Fenning worked as a cook in a London household until she found herself in the middle of a poisoning accusation. Her controversial trial brought the bias of the 19th-century British criminal justice system into focus.
Research:

Robert Moses and the Shaping of New York, Part 2
42:12

Robert Moses and the Shaping of New York, Part 1
41:59

SYMHC Classics: Eradication of Smallpox
43:25