Which of the following scenarios would be considered a violation of the rights of someone accused of a crime, according to the Supreme Court?
A - A witness is called to testify against a suspect accused of plotting a terrorist attack.
B - A police officer acts to stop a crime while it is being committed but does so without a warrant.
C - A person who is unable to afford an attorney is tried and convicted of a crime without legal representation.
D - A suspect is informed of the right to an attorney but confesses to a crime prior to receiving legal advice.