Final answer:
A polygraph examiner would ask specific questions related to the crime, not broad ones like 'Have you ever stolen anything?' Such practices must comply with the Fifth Amendment, which protects individuals against self-incrimination and guarantees the right to counsel.
Step-by-step explanation:
The question on a polygraph examiner is related to the realm of law enforcement and lies within the legal or forensic field. In a guilty-knowledge test, a polygraph examiner is likely to ask questions that are directly related to the crime in question.
For instance, in the context of an armed robbery investigation, the polygraph examiner would not ask broad questions like 'Have you ever stolen anything?' Instead, they would ask specific questions that only the perpetrator would know, such as details about the crime scene or specifics about the stolen items.
The purpose of such questions is to elicit physiological responses, such as changes in heart rate or blood pressure, that could indicate deception. However, it's important to note that the accuracy of polygraph tests is widely debated, and such evidence is not universally admissible in court partly because they may not reliably indicate that a person is lying.
Additionally, when it comes to law enforcement practices, the Fifth Amendment protects individuals against self-incrimination. This means any police practice that involves interrogating individuals without notifying them of their right to counsel and their protection against self-incrimination does indeed violate the Fifth Amendment.