Newly released court documents are shedding light on disturbing details in the hours before a Butte woman died of an overdose in October 2025.Sarah Benson, 30, is the victim named in a negligent homicide case against 35-year-old Brandi Miller, of Butte."She was a kind person. She was a daughter, a mother, a sister, an aunt everything a normal woman can be with a family at 30-years old," Sarah's mother, Ginger Benson, said.WATCH: Butte woman char…