459 U.S. 460 459 U.S. 460 103 S.Ct. 864 74 L.Ed.2d 675 Lowell D. HEWITT et al., Petitionersv.Aaron HELMS. No. 81-638. Argued Nov. 8, 1982. Decided Feb. 22, 1983. Syllabus Following a riot in the Pennsylvania State Prison where he was an inmate, respondent was removed from his cell and the general prison population and […]