On the basis of an eyewitness description, a student was arrested in connection with the murder of a security guard who was killed during a protest at a college. The police brought the student to the police station and gave him his Miranda warnings. The student then asked to speak with his attorney. Before the attorney could arrive, the eyewitness walked into the station, saw the student, and told the police that this was the person she had seen kill the security guard. The prosecution sought to introduce at trial evidence of the eyewitness identification. The defense moved to have evidence of the identification suppressed. The court should