New Jersey attorney John Robertelli faces an admonition for instructing his paralegal to become an adverse party’s Facebook “friend” to gain an advantage in litigation.

A four-person majority of the state Supreme Court’s Disciplinary Review Board said Robertelli, of Rivkin Radler in Hackensack, should receive an admonition for using the social networking site to obtain information about Dennis Hernandez. The DRB decision said an admonition is warranted because Robertelli violated the Rules of Professional Conduct by engaging in  surreptitious communication with a person he knew was represented by counsel, failing to supervise a nonlawyer assistant, and engaging in conduct involving dishonesty, fraud, deceit or misrepresentation.