Juan Cristobal Calderon, a California state prisoner proceeding pro se, filed a lawsuit under 42 U.S.C. § 1983 alleging violations of his Eighth Amendment rights. Specifically, Calderon claimed that a defendant named Vue assaulted him. The case proceeded to the district court, where Vue moved for summary judgment. The district court granted the motion, concluding that Calderon failed to raise a genuine dispute of material fact regarding the assault. In reaching this decision, the district court dismissed Calderon's own declaration describing the incident, labeling it self-serving and uncorroborated. Calderon appealed this ruling to the Ninth Circuit.
The Ninth Circuit reviewed the district court's decision de novo. The panel held that the district court committed legal error by disregarding Calderon's declaration based solely on its self-serving nature and lack of corroboration. Citing Nigro v. Sears, Roebuck & Co., the court explained that a district court cannot ignore a declaration at the summary judgment stage unless it states only conclusions rather than admissible facts. Furthermore, the court relied on Anderson v. Liberty Lobby, Inc. to emphasize the fundamental distinction between judicial and jury roles. The opinion states that 'credibility determinations, the weighing of evidence, and the drawing of legitimate inferences from the facts are jury functions, not those of a judge . . . ruling on a motion for summary judgment.' Because Calderon's declaration provided a factual account of his experience rather than mere conclusions, the district court was required to view the evidence in the light most favorable to the non-moving party.
The summary judgment in favor of the defendant is vacated, and the case is remanded to the district court for further proceedings. This decision reinforces the standard that plaintiffs in civil rights cases do not need to provide corroborating evidence to survive summary judgment if their own declarations contain specific factual allegations. The district court must now reconsider the case without dismissing the plaintiff's account of the alleged assault simply because it is uncorroborated or self-serving. The panel unanimously denied Calderon's separate motion for miscellaneous relief.
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