Just read the opinion. Bad law.
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"You, please correct me if I am wrong, imply that an officer can walk up to anyone and fish for a crime., with no suspicion or PC at all."
Correct. Said officer cannot bring the force of his authority to bear at that point, though.
"Why tell a person to keep their hands out of their pockets? Kind of says you are detained and not free to go."
Because weapons are commonly found there. Don't confuse directions: Keep your hands out of your pockets means just that. You are free or not to go means just that. And yes, I have directed people to keep their hands out of their pockets having advised them they were free to go. What to do at that point? Either (a) keep your hands out of your pockets or (b) go, placing your hands back into your pockets when clear of the encounter.
"I don't think it's very reasonable to rely on that unless the officer informs the person that they are free to walk away. Most people will assume that when an officer asks to speak with you that they do so with the force of law."
It is reasonable and a cornerstone of the law surrounding the matter.
Re Terry Stop and Frisks - Edited: See next post.
"Miranda ain't got jack to do with it."
Correct. Miranda is triggered by cops, custody, and questioning. In this instance, the individual encountered was not in custody.
"Not in my home town, city ordinance makes it an arrestable offense to disobey a police officer. You decline talk, or to be searched, he can arrest you for it and search you after he arrested you."
Yes, in your home town. Most everywhere it is an arrestable offense to disobey a police officer, by the way. That said, in this instance no orders were issued or disobeyed, so the point is moot.