Secret Art of Poisoning

How did a serial killer from the 19th century almost get away with murder?At the end of the 19th century, Martha Needle became known as 'The Black Widow' of the Richmond poisoning case after secretly poisoning her husband and children.The Black Widow was a media sensation in her day, as infamous as Ned Kelly (even sharing the same lawyer). After poisoning her husband and two of her children, Needl...