Mariticide

Mariticide is the act of killing one's own husband. The term is Latin in origin, stemming from a combination of the Latin words Maritus (Husband) and Cide, which is from Caedere (meaning To cut, to kill).

On Criminal Minds
Mariticidal killers featured on the show.
 * Season Three
 * Audrey Henson ("The Crossing")
 * Season Ten
 * Ellen Connell ("Fate")
 * Season Thirteen
 * Cheryl Kaline ("The Dance of Love")

Real-World
Real-world Mariticidal killers.
 * Amy Archer-Gilligan

Further Readings

 * Wikipedia's article