It starts with a smile and a promise. An offer of help to a struggling mum or show of affection to a neglected child. A golden opportunity to a hardworking girl who wants to free her family from poverty. But behind the human trafficker's apparent kindness is an industry that causes untold misery around the world.
Concerns are being raised about trafficking gangs luring children and young girls made homeless by the earthquake in Nepal with the promise of jobs in India and beyond. All too often these young people can end up in appalling conditions, tied into a life of hard labour or exploitative sex work.