James Wiley Nichols v. United States , 37 F.3d 1484 ( 1994 )
Neitzke v. Williams , 109 S. Ct. 1827 ( 1989 )
Heck v. Humphrey , 114 S. Ct. 2364 ( 1994 )
Pennhurst State School and Hospital v. Halderman , 104 S. Ct. 900 ( 1984 )