Police Are in the Initial Stages of Investigating a Suspect

Police are in the initial stages of investigating a suspect for involvement in a criminal offense.The suspect has not been indicted.Police arrange for a lineup,but don't provide counsel for the defendant.In the course of conducting the lineup,police followed certain procedures that were highly suggestive to the witness called upon to participate in the lineup.Which of the following is true?

A) No constitutional violation occurred.
B) A 6th Amendment violation occurred, because police failed to provide an attorney.
C) A 5th Amendment violation occurred, because of the suggestive nature of the process.
D) Both a 5th and 6th Amendment violation occurred.