In United States v. Sharpe, the U.S. Supreme Court declined to adopt a court of appeals’ “bright line” rule that detentions lasting longer than 20 minutes were unreasonable. Do you feel that 20 minutes is too long, not long enough, or just about right to serve as an upper boundary? Why? What determinants should be used in assessing each stop for a length of time with regard to reasonableness? How did you come up with these determinants? Cite support for your answers based on legal rules, concepts, or case law.