What fundamental principle of justice is highlighted by the Miranda ruling?

The Miranda ruling primarily underscores the right to fair legal representation. This decision established that individuals taken into custody must be informed of their rights to an attorney and against self-incrimination before being interrogated. The core principle behind this ruling is the protection of an individual's Fifth Amendment rights, ensuring that they can adequately defend themselves in a legal situation. This mandate helps to level the playing field between law enforcement and suspects, ensuring that individuals are not coerced into giving up their rights simply due to a lack of understanding or representation.

This ruling emphasizes the importance of legal counsel as a fundamental component of a fair justice system, highlighting that individuals should be aware of their rights and have the means to exercise them effectively during legal proceedings.