Final answer:
c) Both a and b.
Under Due Process, participants in a lineup must be informed of their rights and have the right to an attorney, as confirmed by rulings such as Escobedo v. Illinois and Miranda v. Arizona and the Sixth Amendment.
Step-by-step explanation:
The question asks about the rights of participants in a lineup under Due Process. Due Process, in the context of criminal procedure, is defined by a series of rulings that establish certain rights for individuals in custody or accused of a crime.
The essential rights include a prisoner's right to be informed of the reasons for being held, the right to be warned that anything they say may be used against them in court, the right to speak to an attorney, and the right to be advised of their constitutional rights to remain silent and to counsel before and during police questioning.
Based on the information provided, the correct answer to the student's question would be:
Participants in a lineup must be informed of their rights and have the right to an attorney, as exemplified by the Escobedo v. Illinois and Miranda v. Arizona rulings and the rights enshrined in the Sixth Amendment to the United States Constitution. These legal precedents ensure that citizens are protected from self-incrimination and have the right to legal representation during the criminal justice process.