By Tim FangAlameda County officials announced a settlement in the civil lawsuit over the death of Sophia Mason, a young girl from Hayward whose killing in 2022 exposed failures in the county’s child welfare system. On Tuesday, the Board of Supervisors agreed to pay $12 million to Sylvia Johnson, Sophia’s grandmother and the only heir to her estate. “Sophia Mason was an 8-year-old girl who deserved protection and a full life. CBS News Bay AreaSophia’s mother, Samantha Johnson and her boyfriend, Dhante Jackson, faced murder charges in the girl’s death. The California Department of Social Services ordered the formal investigation after a review this spring found multiple problems.