Police today said they are confident they will find out exactly what happened to missing Melbourne woman, Karen Ristevski, as they carry out their 'most significant search to date'.
Authorities including Missing Persons Squad detectives and cadaver dogs are searching rural properties northwest of Melbourne.
While police wouldn't comment on what led them to the area, they said Toolern Vale and Gisborne South remained the focus of their inquiries.
'We have performed quite an extensive search of this area,' Detective Inspector Stephen Dennis, from the Missing Persons Squad, said.
'We are looking for anything that can assist us with our investigation. We'll be here for as long as it takes to search the area. We're not ruling anything in or ruling anything out.'
'We are confident we will find out what happened.'
The 47-year-old mother of one was last seen on June 29 leaving her home in Avondale Heights, Vic, at around 10am.
Her bank accounts and phone have not been accessed since.