What is the test for a plaintiff to bring a claim for damages under Section 1983 of the Federal Trade Act?

could result in significant injury or the unnecessary and wanton infliction of pain), he must further allege facts sufficient to show that each individual person he seeks to sue "kn[e]w of and disregard[ed] an excessive risk to [his] health or safety." Farmer, 511 U.S. at 837; Leer v. Murphy, 844 F.2d 628, 634 (9th Cir. 1988) (liability may be imposed on individual defendant under 1983 only if plaintiff can show that defendant proximately caused deprivation of federally protected right).