Which Supreme Court decision barred the death sentence for juveniles?

If the police fail to inform a person of their Miranda rights when required, statements made in the subsequent interrogation will be excluded from trial

Indicate whether the statement is true or false

Grand juries __________.

A. tend to overrepresent minority interests B. make determinations on the innocence or guilt of defendants C. must meet in public with an attorney present for the accused D. are responsible for reviewing evidence and deciding whether to indict individuals