Norfleet By and Through Norfleet v. Arkansas Dept. of Human Services, 989 F.2d 289, 293 (8th Cir. 1993) (“We thus conclude that, in light of the case law existing at the time of this tragic incident, combined with the undeniable nature of the state’s relationship with and corresponding obligations to Taureen, it was clearly established in 1991 that the state had an obligation to provide adequate medical care, protection and supervision.”).