Why do courts examine whether a confession was voluntary?

Courts examine whether a confession was voluntary primarily to ensure the integrity of the judicial process and to protect fundamental human rights. The legal requirement for voluntariness serves several critical functions:

• Preventing Coercion: Courts aim to ensure that suspects are not forced into admissions through unacceptable methods, such as torture, physical violence, threats, or excessively prolonged questioning, which can render a statement unreliable.12
• Upholding Constitutional Protections: In the United States, the Fifth Amendment protects individuals from being compelled to incriminate themselves. Barring involuntary confessions is a means of upholding these due-process rights and maintaining an accusatorial system of criminal justice.13
• Ensuring Reliability: By scrutinizing the circumstances surrounding an interrogation, judges can determine if a confession is a truthful admission of guilt or the result of intense psychological or physical pressure that might lead to a false confession.132

Ultimately, judicial oversight of interrogation methods acts as a safeguard against the use of unreliable evidence and protects the accused from state-sanctioned abuse.12