The decision in R.S. v. State of New York is an important and potentially influential precedent in New York correctional-liability law because the Appellate Division, Third Department significantly expanded the manner in which foreseeability and constructive notice may be established in inmate assault cases, particularly those involving vulnerable incarcerated populations, by holding that the State’s own PREA screening procedures and classification systems constituted evidence that the State knew or should have known that the claimant faced a heightened risk of sexual victimization, thereby rejecting the narrower argument that the State required notice of a specific imminent assault or specific assailant before liability could attach; instead, the court recognized that when DOCCS itself classifies an incarcerated individual as a high-risk transgender inmate vulnerable to sexual assault, places that inmate into specially designated “PREA” housing near a correction officer station for enhanced protection, and then fails to provide even minimally competent supervision because the assigned correction officer was asleep, the resulting assault becomes reasonably foreseeable as a matter of institutional knowledge and negligent supervision, with the court emphasizing that although the State is not an insurer of inmate safety and need not provide “unremitting surveillance,” a sleeping correction officer constitutes an “utter absence of surveillance” and therefore a complete failure of the State’s fundamental custodial duty to protect inmates who cannot protect themselves, making the case particularly significant because it transforms PREA classifications and prison vulnerability assessments into affirmative evidence of constructive notice and foreseeability, strengthens plaintiff arguments in negligent supervision and correctional sexual assault litigation, reinforces that institutional policies and risk-screening procedures may themselves create actionable duties once implemented, and provides unusually strong appellate language holding that where the State recognizes a category of inmates as vulnerable and creates specific protective mechanisms for them, it cannot later disclaim responsibility when those protections fail due to gross inattentiveness by correctional staff. The Appellate Division also effectively held that a correction officer sleeping while assigned to supervise vulnerable inmates constituted negligence because it amounted to a complete failure to perform the State’s custodial duty of protection. The court repeatedly emphasized that a “sleeping CO does not provide any surveillance” and described the situation as an “utter absence of surveillance.”