On July 8, 1974—just nine days after the America Sings attraction opened at Disneyland—18-year-old Deborah Gail Stone, a recent graduate of Santa Ana High School, was working her summer job as a hostess for the new attraction. On that night, Stone was accidentally crushed between rotating walls just days after the attraction opened. Decades later, when the space became Innoventions, cast members began reporting strange activity—doors closing by themselves, chairs moving, and a faint voice warnin