Detectives from the Missing Persons Squad have today charged a second person following the death of Ballarat woman Kobie Parfitt.
A 32-year-old woman, who is currently at a correctional facility, was charged with one count of murder.
She will appear at Melbourne Magistrates' Court on 1 February.
In December, a 31-year-old Wendouree man was charged with one count of murder in relation to Kobie's death.
Police located human remains in a mine shaft in Snake Valley on 22 December while they were searching the area as part of the investigation Kobie's disappearance.
Kobie, 43, had last been seen alive at a property on Hickman Street on 28 April.
The investigation remains ongoing.
Investigators are urging anyone with any information to contact Crime Stoppers on 1800 333 000 or submit a confidential crime report at www.crimestoppersvic.com.au