As used in this act:
"Division" means the Division of Developmental Disabilities in the Department of Human Services.
"Moderate Security Unit," hereafter referred to as "MSU," means a specialized, institutional treatment facility authorized and established by the Director of the Division of Developmental Disabilities in the Department of Human Services, which is: used as an alternative to detention in a correctional facility or as a residential requirement for probation; and characterized primarily by physical security for the confinement of males, 18 years of age or older, who are adjudicated to be dangerous to self, others or property and in need of a highly structured, therapeutic treatment program.
N.J.S. § 30:4-25.13