When are Miranda warnings required to be given?

Miranda warnings are required specifically when an individual is taken into custody and subject to interrogation. This requirement is rooted in the Fifth Amendment right against self-incrimination, which ensures that suspects are informed of their rights to remain silent and to have an attorney present during questioning. The key factors are that the person must be in custody, meaning they are not free to leave, and there must be interrogation, which involves questioning that is likely to elicit incriminating responses.

The first choice, which suggests that Miranda warnings are required during any arrest, is not accurate because arrest alone does not automatically necessitate the warnings unless the person is to be interrogated. The second choice, stating that warnings are required when an attorney is present, is misleading; while having an attorney present reinforces the need for rights awareness, Miranda warnings must still be given based on the custody and interrogation circumstances. Lastly, the option of requiring warnings at the time of sentencing is incorrect, as sentencing occurs after the interrogation and court proceedings, where rights have already been established. Thus, the correct context for the issuance of Miranda warnings is at the intersection of custody and interrogation, which is why this choice is the appropriate answer.