Carlsbad Caverns, in southern New Mexico, is believed to contain about 35 miles of tunnels and caves. Although it was discovered in 1898, an estimated 30% of its passages still remain largely unexplored and unknown.
The decision in Miranda v. Arizona contains 60 pages of conclusions and reasons. Although it was written in 1966, some of its passages still remain largely unexplored and unknown.
One of those passages says this: "Unless adequate protective devices are employed to dispel the compulsion inherent in custodial surroundings, no statement obtained from the defendant can truly be the product of his free choice." The Supreme Court then went on to devise its own protective device—the four-part warning, which the court considered adequate to neutralize the compulsion presumed to be inherent during any custodial interrogation.
But the court did not say that reciting the warning was the only way to dispel compulsion. "We cannot say that the Constitution necessarily requires any particular solution." Another little-noticed passage states that an alternative device that would also be an adequate compulsion-neutralizer is the presence of the suspect’s attorney: "The presence of counsel would be the adequate protective device necessary to make the process of police interrogation conform to the dictates of the privilege. His presence would ensure that statements made in the government-established atmosphere are not the product of compulsion."
The warnings are simply an alternative to having the lawyer in the interrogation room. "The warnings protect persons who, exposed to custodial interrogation without the assistance of counsel, otherwise might be unable to make a free and informed choice to remain silent." (Roberts v. U.S.) Miranda did not hold "that the possibly coercive atmosphere of the police station could not be counteracted by the presence of counsel or other safeguards" (such as giving the warnings). (Brady v. U.S.)