Nation Utah woman accused of killing husband after writing book about grief sued by sister-in-law for over $13M June 29, 2023Thao Nguyen, USA TODAYComments Off on Utah woman accused of killing husband after writing book about grief sued by sister-in-law for over $13M Kouri Richins, accused of fatally poisoning her husband in 2022, is facing a $13 million lawsuit alleging financial wrongdoing from her sister-in-law.