Britain's Killer Nanny

S1, E5: Britain in the 1890s is a world leader, but while some prospered, many were left behind with no safety net. Perhaps no one was more vulnerable than unwed mothers, who were stigmatized, usually poverty-stricken, and often forced to make devastating choices. Discover a dark underworld in Victorian England where "baby farming"—childcare networks where infants were treated as salable commodities—was widespread and helped give rise to a serial killer more murderous than Jack the Ripper, yet far lesser known.