 In some cases , victims of sex trafficking are kidnapped by strangers , either by force or by being tricked into becoming involved through lies and false promises . In other cases , the children 's families allow or force them to enter the industry as a result of severe poverty . In cases where they are taken out of the country , traffickers prey on the fact that the children are often unable to understand the language of their new location and are unaware of their legal rights . 
