Ricco Was Recently Arrested and Interrogated by the Police

Ricco was recently arrested and interrogated by the police.He had been in custody for a lengthy period of time and, as a heroin addict, had begun to experience withdrawal.A doctor at the station was able to inject him with a mixture of substances to help ease his symptoms.Ricco promptly confessed.It was later discovered that the substance injected often has truth-telling properties.May there be a problem with Ricco's confession?

A) No, the confession was voluntary and there were no defects present.
B) Yes, the confession was likely not voluntary and only occurred as a result of the injection.
C) Yes, his age and intelligence may be called into question.
D) No, the confession was not a product of coercion.