If you were to do this at a smaller PD, whoever you spoke to in the I can don’t know what is wrong with me but I can name several prescription shirt would inspect your ID. Cops have a pretty good radar for other cops vs. pretenders. If there was some doubt, a phone call would verify your identity. Every once in a while, it occurs to me that a university granted me a Ph.D. I fooled them. I fooled them all! I fooled my advisor, my committee, the dean… hell, I’ve even had my research published by reputable venues, as though it was like real scientific literature, except it couldn’t be, because I did it.