It can be tempting in the midst of a contentious divorce or child custody proceeding to record the other parent’s oryour spouse’s phone calls with a mistress or his/her conversation with his child. However, if the evidence you obtain was obtained illegally, you will not be able to use it as evidence in the courtroom, and in some cases there are criminal consequences.
Under Civil Practice Law and Rules section 4506, evidence you obtain through criminal eavesdropping is inadmissible. Under Penal Law section 250.05, you are guilty of eavesdropping if you unlawfully engage in wiretapping or mechanically overhearing someone else’s conversation.
In New York, it is illegal to wiretap without the consent of at least one person on a call. Accordingly, you can record your phone conversations with your spouse or the other parent (because you’ve consented to it), but not your spouse’s phone conversations with other people unless you have consent from your spouse or the other person.
Long Island Family Law and Mediation Blog


