Final answer:
The Fifth Amendment guarantees protection against self-incrimination, and police must inform individuals of their rights to counsel and against self-incrimination during interrogations. Failure to do so can render confessions inadmissible and violates constitutional guarantees.
Step-by-step explanation:
Yes, the practice of police interrogation without notifying individuals of their right to counsel and protection against self-incrimination indeed violates the Fifth Amendment. The Fifth Amendment protects individuals from being compelled in any criminal case to be a witness against themselves, which is often referred to as the right against self-incrimination. Furthermore, the landmark Supreme Court case Miranda v. Arizona (1966) established that the police must inform suspects of their rights under the Fifth Amendment during an interrogation process.
If the police fail to notify individuals of these rights, the information or confessions obtained may be considered involuntary and thus inadmissible in court. This protection is crucial to the fairness of the judicial process and helps prevent coerced confessions and the potential for wrongful convictions.