That is because the victims are vulnerable to exploitation, laws against this practice are not vigorously enforced and it is a hugely profitable trade.

VOA: standard.2009.08.21

Ademar Barilli says that women traveling alone are especially vulnerable, and that the safe house pays special attention to such cases, although they are not unusual.

VOA: standard.2009.09.01

Health officials did not know how deadly the virus would be, who would be most vulnerable, how quickly it would spread and whether it could be contained.

VOA: standard.2010.04.29

"I am very confident that that would leave us in the position where the government is taking risks it does not understand, cannot manage effectively, highly vulnerable to overpaying for those assets, and charges that we are giving a disguised subsidy that is unjustified,".

VOA: standard.2009.03.24

"We have to protect the social gains that we have made in this hemisphere over the past decade,and ensure that the economic recovery of all the countries in the hemisphere does not come at the expense of the poorest and most vulnerable members of our society,".

VOA: standard.2009.04.15