Career
She is a lobbyist, who often highlights and promotes action against pedophilia within media, families, schools and in the general community. Johnston has published a book detailing her beliefs called In the Best Interests of the Child. Johnston has been named the Queensland Australian of the Year 2015.
In 2004 Johnston unsuccessfully stood for a Queensland Senate seat in the federal election.
In October 2015, she announced her intention to run for mayor of Logan city in the 2016 election, but withdrew in December 2015.
