The Hart family murders was a murder–suicide which took place on March 26, 2018, in Mendocino County, California, United States. Jennifer Hart and her wife, Sarah Hart, murdered their six adopted children – Ciera (aged 12), Abigail (14), Jeremiah (14), Devonte (15), Hannah (16), and Markis (19) – and were killed when Jennifer Hart drove the family's sport utility vehicle off a cliff. Jennifer Hart was in the driver’s seat, and Sarah Hart was in the front passenger seat.