What is the appropriate standard to be applied in determining whether an encounter with police was consensual or an investigative stop?

QUESTIONS PRESENTED 1. What is the appropriate standard to be applied in determining whether an encounter with police was consensual or an investigative stop? 2. Whether a law enforcement officer can continue to pursue a consensual encounter after an individual has attempted to terminate the contact? 3. What is the appropriate appellate standard of review for determining whether an individual has voluntarily given consent to a law enforcement officer to continue an encounter and to conduct a search and seizure? ii