Customs Officer Exam Prep - Question List

6. Despite the fact that HIV is not easily transmitted, its deadly potential requires that law enforcement officers protect themselves from becoming infected by it. At the Callen Precinct, officers use only disposable items for collecting evidence whenever blood is present. While investigating a particular crime scene where blood was present, Detective R.C. of the Callen Precinct used only disposable items for collecting evidence.

7. Impressions made by the ridges on the ends of the fingers and thumbs are useful means of identification, since no two persons have the same pattern of ridges. If finger patterns from fingerprints are not decipherable, then they cannot be classified by general shape and contour or by pattern type. If they cannot be classified by these characteristics, then it is impossible to identify the person to whom the fingerprints belong.

8. Explosives are substances or devices capable of producing a volume of rapidly expanding gases that exert a sudden pressure on their surroundings. Chemical explosives are the most commonly used, although there are mechanical and nuclear explosives. All mechanical explosives are devices in which a physical reaction is produced, such as that caused by overloading a container with compressed air. While nuclear explosives are by far the most powerful, all nuclear explosives have been restricted to military weapons.

9. The alphanumeric coding of a fingerprint is a systematic description of the main patterns on the print. Within a certain metropolitan district, 90% of the population have fingerprints that can be alphanumerically coded.

10. Twenty-five percent of the nation?s incoming cargo containers are shipped to the port of Cary, and 10% are shipped to the port of Davidson. Merchandise that arrives at these ports in containers is shipped by truck and rail to its final destination in the United States. Cary is one of the biggest targets for cargo thieves due to the large volume of merchandise shipped there.