 And Governor Tim Walz is promising a southern Minnesota family a full investigation into their daughter's death. Walz has asked about the charges brought against Minnesota State Trooper Shane Roper following a May crash that led to the death of 18-year-old Olivia Flores in Owatonna. Walz called the crash tragic and said the investigation is needed to determine if policy changes are needed. Roper is facing multiple charges, including manslaughter and criminal vehicular homicide.