THE mother of murdered teenager Hayley Dodd has joined One Nation to challenge Police Minister Liza Harvey at the State election.

Margaret Dodd, who lives east of Mandurah, said she was contesting Mrs Harvey’s safe seat of Scarborough because major law and order changes were needed in WA.

Mrs Dodd’s decision to run for One Nation follows her appearance at Labor’s “no body, no parole” policy announcement in January, where she supported laws to force killers to reveal where they’d disposed of their victim.

Camera Icon Hayley Dodd's parents, Margaret and Ray with Labor leader Mark McGowan as he announced his party's law reform initiatives. Credit: PerthNow, Nic Ellis

“We have been fighting for over 17 years for change,” Mrs Dodd said. “It’s become our life dictate that we will leave it a better world than we found it. and this is what Pauline Hanson's One Nation Party is fighting for - change for the better.”

Hayley Dodd went missing near Badgingarra in 1999, but it was only last year that a 59-year-old man was charged with murdering the teenager.

Her body has never been located.