She was a highly regarded member of the Society of Assassins in that series, and in her first appearance was hired to kill Samuel Young, Gotham City District Attorney and the husband of Police Commissioner Barbara Gordon.
She was a highly regarded member of the Society of Assassins, and despite the origin of her name, she rarely dealt in poisons. In "A Touch of Curaré", Curaré is hired to kill Sam Young, Gotham City's District Attorney and the husband of Police Commissioner Barbara Gordon.