Francine Shimizu-Orgar has frequent nightmares when her mind replays moments from the recent inquest into her daughter’s death at the St. Catharines, Ont., hospital. But if the inquiry, which the family pushed for, wasn’t held, what happened to 24-year-old Heather Winterstein “would never have come out,” Shimizu-Orgar tells CBC from the family home in the Niagara region city.