New Jersey 2C:44-3.
Criteria for Sentence of Extended Term of Imprisonment
(CONITNUED>>>)

The court shall not impose a sentence pursuant to this subsection unless the ground therefore has been established by a preponderance of the evidence established at a hearing, which may occur at the time of sentencing. In making its finding, the court shall take judicial notice of any testimony or information adduced at the trial, plea hearing or other court proceedings and also shall consider the pre-sentence report and any other relevant information.

Gang Recruitment, Threats and Intimidation
New Jersey 2C:33-28. Solicitation, recruitment to join criminal street gang; crime, degrees

1. a. An actor who solicits or recruits another to join or actively participate in a criminal street gang with the knowledge or purpose that the person who is solicited or recruited will promote, further, assist, plan, aid, agree, or attempt to aid in the commission of criminal conduct by a member of a criminal street gang commits a crime of the fourth degree. For purposes of this section, the actor shall have the requisite knowledge or purpose if he knows that the person who is solicited or recruited will engage in some form, though not necessarily which form, of criminal activity. "Criminal street gang" shall have the meaning set forth in subsection h. of N.J.S.:2C:44-3.

b. An actor who, in the course of violating subsection a. of this section, threatens another with bodily injury on two or more separate occasions within a 30-day period commits a crime of the third degree.