Police have charged Margaret Machiko Yamaguchi’s daughter, following her stabbing death Monday at a California senior living community. 

Officers found the 61-year-old resident lying on the floor of her room suffering from numerous stab wounds, according to local reports. Yamaguchi was pronounced dead at the scene, according to a police report.

Athina Sumi Rivera, 43, has been charged with murder. Rivera had reportedly stayed with her mother the previous night. She remains in custody on more than $1 million bond.