In the two-part season final, Sam, Bailey, Grace, and Nathan are taunted by a diabolical female serial killer who prefers to use a variety of exotic poisonous animals, (tree frogs, spiders, snakes, etc.) to kill her victims, while providing her pursuers with cryptic clues to her next murder. Meanwhile, John, now back working for the Atlanta police, arrests Francis during a drug raid and tries to talk some sense into her. A frustrated Bailey is further irritated by the arrival of a sexy privat ...[Read Story ]