Interrogatiosn, Admission and Confessions

Paper details:

# 1 What specific constitutional rights are implicated( brought up) when analyzing whether a defendants statement will be admitted into court or suppressed. Give specific constitutional right not just the constitutional right not just the constitutional amendment it is included in.
# 2 What are 5 legal or practical problems that may occur in suspect identification procedure ?

These are two questions that need to be answered. The 2nd question can be a list with a intro.
Please just make sure you make it clear from one question to another