They're the crimes that continue to haunt grieving family members and the wider community - cold case murders.

Cold Case Western Australia is the official podcast of WA Police Force which examines unsolved murders.

The series includes in-depth interviews with detectives investigating the cases, and with family members of the victims.

Cold Case Western Australia is hosted by Neil Poh - a veteran crime reporter and a former media advisor for WA Police Force.

The series has been commissioned as part of new efforts to obtain information from the public about this confronting, unsolved murders.