Which of the following is an example of concealment?

Concealment refers to the use of materials or environments that obstruct or hide something from view. Thick vegetation is a prime example because it can effectively obscure objects or individuals from being seen, making it difficult for an observer to detect any movement or presence. In a law enforcement or correctional context, this type of cover can play a significant role in strategic planning, whether for surveillance or operational security.

A brick wall, police vehicle, and embankment can also provide some level of concealment, but they serve more structured or defined purposes. A brick wall functions as a physical barrier rather than natural concealment, a police vehicle is designed for visibility and law enforcement presence rather than hiding, and while an embankment can provide some cover, its effectiveness is contingent on the surrounding environment and is usually more about elevation than concealment itself. Thick vegetation stands out as the most effective natural means of hiding in this scenario.