Officer Regarding The Gates Incident: Is An Officer Required To Provide Identification If A Citizen Asks For It?

Regarding the Gates incident: Is an officer required to provide identification if a citizen asks for it? - officer

There is considerable controversy, as you know, the arrest of Henry Louis Gates Cambridge. What seems clear in this debate, at least in terms of my own experience, whether the employee is required to Mr. Gates, with his name and ID number. However, if an officer approaches a citizen in an attempt to investigate a complaint, the officials must provide the public with his name and badge, if the application?