Good luck getting a concealed carry in NYC.
https://www.google.com/amp/s/www.foxnews.com/us/what-does-it-really-take-to-get-a-concealed-carry-permit-in-new-york-city.amp
Now they may not have a piece of paper saying they have but that is a different thing and it is up to you if you think it is worth your life to not carry if you do not have it.