Robert Calabretta, Individually and As Parent and Natural Guardian of Tamar and Natalie Calabretta, Minor Children; Shirley Calabretta, Individually and As Parent and Natural Guardian of Tamar and Natalie Calabretta, Minor Children, Plaintiffs-appellees, v. Jill Floyd, Individually and in Her Official Capacity As a Caseworker of Yolo County Department of Social Services; Yolo County Department of Social Services; Nicholas Schwall, Individually and in His Official Capacity with Woodland Police Department; Ussell Smith, Individually and in His Official Capacity As Chief of Police of the Woodland Police Department; Woodland Police Department, Defendants-appellants