I normally wouldn't add to a thread in which the OP left, but your post, jsdm, has some inaccuracies that I figured I should correct in case to try to give advice to anybody else.
Firstly, it's not a Perry frisk, it's a Terry frisk (Google Terry v. Ohio for more info).
Secondly, you are quite mistaken about Miranda rights. Miranda is still in affect everywhere. Here is how it works: Miranda rights only need to be read AFTER an arrest and PRIOR to interrogation. If you have not been arrested, then Miranda doesn't apply. If you have been arrested and you are questioned before your rights have been read to you, then all that means is that any statements you make can be suppressed in court. This would mean that if under arrest, you could confess to a crime, and at trial your confession could not be used against you since your rights were not read. Miranda does NOT magically absolve one of the crime they committed. (Google Miranda v. Arizona for more info)