Black Sheep S9 E1 Elspeth Kerr (Part 1)

Elspeth Kerr was a beloved local nurse in 1930s Devonport, but when her husband died suddenly and her foster daughter fell into an inexplicable coma, locals discoverd the shocking truth. Nurse Kerr was a serial poisoner. But more than 90 years later, elements of her crimes remain a mystery. Black Sheep investigates the chilling story.