The phrase "Why Women Kill" primarily refers to a dark comedy anthology TV series created by Marc Cherry. The show explores the lives of women in different decades who grapple with betrayals, infidelity, and the events leading them to commit murder or consider murder as a justifiable action. The series gives fictional narratives about the motivations behind why women might kill, often linked to emotional trauma, infidelity, and complex personal relationships. In real life, women's reasons for killing can be varied and complex, often including self-defense, domestic violence situations, psychological factors, and other personal or social reasons. However, the search results mainly focus on the fictional portrayal from the TV series, which frames female killings within dramatic and sometimes darkly comedic contexts tied to betrayal and personal crisis.
If the question is about real-world reasons why women kill, further specific information can be fetched. But based on available information, "Why Women Kill" is best known from its cultural portrayal through this TV series.