Ana di Pištonja, also known as Baba Anujka, was a serial killer in Yugoslavia who committed between 50 and 150 murders using her "love potions" that she sold to women who were having marital problems. The woman gave these arsenic-laced potions to their husbands, killing then days later. She was apprehended in 1928 at the age of 90, but due to her advanced age, she was released after 8 years. She died in 1938 aged 100.