Australia has the world's third-highest number of travel alerts, nearly all for child sex offenders
Hundreds of convicted and suspected child sex offenders have been tracked through Australian airports as they head overseas, including to countries known to be targets for child abusers.
Moderated by Tomas Kauer 
Hundreds of convicted and suspected child sex offenders have been tracked through Australian airports as they head overseas, including to countries known to be targets for child abusers.
