Busch IV 's died of an oxycodone overdose , officials say . She was found dead December at August Martin St. Louis home . `` It 's dark . Busch IV 's was an aspiring model and art therapist .
Busch IV 's died of an oxycodone overdose , officials say . She was found dead December at August Martin St. Louis home . Busch IV 's was an aspiring model and art therapist .