The federal operation led to the arrest of more than 200 alleged child sexual abuse offenders, including five from Massachusetts, prosecutors said. The post 5 Mass. men arrested in nationwide operation to crack down on child sex abuse,

The potential and benefits of using street sex workers to help stop child exploitation was first realised by Jo Ritchie, a social worker employed by Barnardo's. She now works closely with Rose Brown, a sex work liaison officer from Avon and Somerset Police, as well as Bristol City Council.