How is a strip search characterized?

A strip search is characterized as the removal of all but the outermost layer of clothing. This definition captures the essence of what constitutes a strip search in the context of legal standards and privacy rights. The focus is on the individual's exposure of their body, while still retaining some degree of modesty by keeping the outermost layer of clothing on. This distinction is crucial as it aligns with legal precedents regarding the need for reasonable suspicion and the appropriate protocols that law enforcement must follow when conducting such searches.

Understanding this, the other options do not accurately describe the legal interpretation of a strip search. The complete removal of clothing is too broad and would typically be referred to as a more invasive search. It's also important to note that while the removal of clothing under observation could occur during a strip search, it is not the defining characteristic of what a strip search entails. Finally, a search involving the body may incorporate a variety of investigative methods beyond a strip search and does not specifically delineate the actions taken. Thus, the choice that defines a strip search most accurately within constitutional law is the removal of all but the outermost layer of clothing.