Warning: This story deals with serious mental health concerns and suicide. Resources and supports can be found at the bottom of this story.”Olivia should still be here. Her death was preventable.”Those are among the first words in P.E.I. Child and Youth Advocate Marv Bernstein’s long-awaited report into the 2020 death of nine-year-old Olivia Rodd, who died by murder-suicide in her mother’s care. The investigation report, released Thursday, provides harsh criticism of the P.E.I. government and mental health services in the province, laying out “systemic failures” where professionals did not follow the law and report their concerns to Child Protection Services…