N.J. Stat. Ann. § 2A:62A-21

1. In addition to any other right of action or recovery otherwise available under law, whenever any law enforcement officer, firefighter, or member of a duly incorporated first aid, emergency, ambulance or rescue squad association suffers any injury, disease or death while in the lawful discharge of his official duties and that injury, disease or death is directly or indirectly the result of the neglect, willful omission, or willful or culpable conduct of any person or entity, other than that law enforcement officer, firefighter or first aid, emergency, ambulance or rescue squad member's employer or co-employee, the law enforcement officer, firefighter, or first aid, emergency, ambulance or rescue squad member suffering that injury or disease, or, in the case of death, a representative of that law enforcement officer, firefighter or first aid, emergency, ambulance or rescue squad member's estate, may seek recovery and damages from the person or entity whose neglect, willful omission, or willful or culpable conduct resulted in that injury, disease or death.