Trafficking in human beings, which can be classified as a modern form of slavery, is a serious crime involving a violation of basic human rights. Traffickers exploit vulnerable people for financial gain, by tricking or forcing them into (mainly): prostitution / sexual exploitation (79% of cases) and forced labor (18% of cases). Less-common forms of exploitation include forcing victims to beg, the removal and sale of their organs and eggs, and woman who are forced to bear children.