Betty Broderick, the convicted killer infamous for the 1989 double murder of her ex-husband and his new wife, has died at the age of 78. She passed away in a prison hospital in Chino. Broderick, once a notable socialite in San Diego, garnered significant media attention for her shocking crime, which has continued to spark discussions and debates over the years. Her death marks the end of a controversial chapter in a case that haunted America for decades.