NY state allows one party recording, if your recording is made in NY, my guess is you can use it.
But you have to establish background for such recording, see http://criminal-law.freeadvice.com/criminal-law/criminal-law/surreptitious_tape.htm
But you have to establish background for such recording, see http://criminal-law.freeadvice.com/criminal-law/criminal-law/surreptitious_tape.htm