Human trafficking, being a serious crime, needs to be investigated further. This is because there is need to get to the root of the problem. Everyone knows that trafficking takes place, and several traffickers have been arrested in the US and other countries, but there is little that reveals how exactly people are smuggled into the country. Surely, there must be some way of detecting if a person is legally or illegally entering the country.
It is observed that documentation organized by traffickers themselves is carried out well enough to be original. Since trafficking can hardly be traced through documentation when a person enters a country, it is worth investigating how often people are interrogated or asked simple questions regarding their origin and visit in another country. For those entering the US, as an example, it is worth investigating how many non-English speaking individuals are interviewed. Apparently, there are several individuals entering the US and other countries with apparent original documents, and none of them can speak English.