JRY Cause of Death

My mother died 11/15/19. I believe her caretakers, family members, were withholding care. She arrived at the ER suffering from Stage 4 kidney failure, non-traumatic rhabdomyolisis, kidney infection, afib, high blood pressure, sepsis, numerous pressure sores on her heels and one 3"x 2" open sore, oozing yellow foul pus, on her hip. She also had suspicious blisters/ sores/ burns in her mouth and throat, a red rash on her legs/thighs, dehydration and malnutrition/severe anemia. Her caretaker also made strange references to her NOT being poisoned. I have her complete 900+ page medical report from the hospital if needed.