N.J. Stat. Ann. § 2A:31-3

Every action brought under this chapter shall be commenced within 2 years after the death of the decedent, and not thereafter, provided, however, that if the death resulted from murder, aggravated manslaughter or manslaughter for which the defendant has been convicted, found not guilty by reason of insanity or adjudicated delinquent, the action may be brought at any time.