S1983 - prisons.
Appellate court cannot re-evaluate sufficiency of evidence on interlocutory appeal of denial of qualified immunity - where the court's finding is not contradicted in the record, it is presumed to be adequate.
Undisputed facts in the record that blatantly contradict the factual findings of the court on qualified immunity can be reviewed on interlocutory appeal.
As prison employee had no knowledge of the unlocked door before leaving to attend to another emergency, no denial of clearly established right.
https://www.ca10.uscourts.gov/opinions/14/14-5077.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.