https://www.siliconvalley.com/2022/09/29/lawsuit-claims-senior-care-chain-covered-up-third-bay-area-death-from-caustic-liquid/ > A senior-care chain whose San Mateo facility saw two residents die after drinking caustic liquid tried to cover up a third similar death at its care home in Walnut Creek, a new lawsuit claims. > The lawsuit was filed Thursday against Kentucky-based care-home giant Atria by family members of Trudy Maxwell, one of the two San Mateo victims. The complaint refers to a third incident, at Atria Walnut Creek, which had not been previously disclosed.