 Briggs provided assistance to royal commissions and parliamentary inquiries and wrote numerous submissions to state and federal inquiries relating to child protection including the Mullighan Inquiry, and the Royal Commission into Institutional Responses to Child Sexual Abuse.She advised police forces in Australia and New Zealand and was a media consultant on child protection issues relating to TV, movies and computer games.Briggs was considered one of Australia's leading experts about child abuse issues and an outspoken advocate for children's rights internationally.