More than 1,000 delegates from over 100 countries are attending the forum to discuss solutions, including techniques to monitor criminal gangs.
There are believed to be millions of victims of trafficking worldwide - in a multi-billion dollar industry.
UN officials say human trafficking is the hidden crime of globalisation and nothing short of modern day slavery.
International celebrities among the delegates included British actress Emma Thompson, Latin pop star Ricky Martin and Egypt's First Lady Suzanne Mubarak...
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