'90 Day Fiancé' Star Eric Rosenbrook Hires Private Medical Examiner, Slams 'Non-Accidental' Baby Death Ruling

Eric Rosenbrook is pushing back hard on the official findings in his baby daughter's death ... and TMZ has learned he and Leida Margaretha have hired their own private medical examiner to challenge the autopsy. The "90 Day Fiancé" star tells TMZ…