People v. Berry

“An individual to whom a police officer addresses a question has a constitutional right not to respond. He may remain silent or walk or run away. His refusal to answer is not a crime. Though the police officer *59may endeavor to complete the interrogation, he may not pursue, absent probable cause to believe that the individual has committed, is committing, or is about to commit a crime, seize or search the individual or his possessions, even though he ran away. Nor when the individual, cornered by his pursuers in the basement of a building and while looking for a way out of the basement, drops…