9th Cir.

Kasey Carroll v. S. Corsaro, et al.

March 16, 2026 ·2:24-cv-01348-CDS-EJY ·Unanimous · By Aisha Johnson

The Ninth Circuit affirmed the dismissal of a pro se plaintiff's civil rights lawsuit because he failed to comply with district court orders. The court held that the district court acted within its discretion under Federal Rule of Civil Procedure 41(b) and that the plaintiff waived any objections to the magistrate judge's report by failing to raise them.

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Kasey Carroll, proceeding pro se, filed a lawsuit in the United States District Court for the District of Nevada under 42 U.S.C. § 1983. The suit alleged constitutional violations against various police officers, psychologists, and the State of Nevada. During the proceedings, the district court issued orders that Carroll failed to follow. Additionally, a magistrate judge issued a report and recommendation regarding the case, but Carroll did not file any objections to it. Consequently, the district court dismissed Carroll's action without prejudice for failure to comply with court orders and failure to prosecute the case. Carroll appealed this dismissal to the Ninth Circuit.

The Ninth Circuit reviewed the dismissal for an abuse of discretion, citing Federal Rule of Civil Procedure 41(b), which permits a district court to dismiss an action if a plaintiff fails to prosecute or comply with rules or court orders. The panel found no abuse of discretion because Carroll failed to comply with the district court's orders and failed to object to the magistrate judge's report and recommendation. The court relied on Thomas v. Arn, 474 U.S. 140 (1985), to explain that when a party fails to object to a magistrate judge's report, the district court is not required to review the factual or legal conclusions, and the appellate court cannot review those unobjected-to matters. Furthermore, the court noted that interlocutory orders generally cannot be appealed after a dismissal for failure to prosecute, and it would not consider arguments or allegations raised for the first time on appeal.

The dismissal stands, ending the litigation in the district court without prejudice, meaning the plaintiff could theoretically refile if the statute of limitations allows, though the underlying claims remain unresolved. The decision reinforces that pro se litigants must strictly adhere to court orders and timely object to magistrate judge reports to preserve issues for appeal. It also clarifies that appellate courts will not review unobjected-to magistrate findings or challenges to interlocutory orders in this context.

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