Two passengers arriving from Guyana will also be noticed by customs. Cocaine was found in the converted suitcase of one of them, while the other was unable to give a meaningful answer when stopped and was taken in for questioning to find out the reason for his confusion. During the passport control, a suspicious stamp of a passenger arriving from Paraguay is noticed by the inspectors. A passenger from Jamaica is found to have cocaine in his shoe sole and is interrogated by a special agent for internal security. Meanwhile, postal packages are screened for illicit substances and an agricultural specialist searches passengers' baggage for illicit foodstuffs.