Deadly Force in an Active Gunfight: Context, “Knowable Facts,” and Scott Video Review Support Qualified Immunity

I. Introduction

Tuttle v. Gallegos (5th Cir. June 29, 2026) arises from the January 28, 2019 raid at 7815 Harding Street in Houston, where Houston Police Department (“HPD”) officers executed a no-knock warrant and officer Felipe Gallegos shot and killed Dennis Tuttle and Rhogena Nicholas during an intense firefight. The plaintiffs—representatives and heirs of the estates—brought federal and state claims, including a 42 U.S.C. § 1983 Fourth Amendment excessive-force claim against Gallegos.

The district court denied Gallegos’s summary-judgment motion on qualified-immunity grounds, reasoning that disputed facts—particularly body-worn camera (“BWC”) video and inconsistencies in Gallegos’s statements—precluded judgment. On interlocutory appeal, the Fifth Circuit reversed, holding that even under plaintiffs’ version of key disputed facts, Gallegos committed no constitutional violation and was therefore entitled to qualified immunity.

The decision is notable for (1) its treatment of appellate jurisdiction and video evidence under Scott v. Harris, (2) its integration of Barnes v. Felix (2025) rejecting a “moment-of-threat” limitation, and (3) its emphasis that reasonableness turns on what was “knowable” to the officer during a rapidly evolving gunfight.

II. Summary of the Opinion

The Fifth Circuit reversed the district court’s denial of qualified immunity and rendered judgment for Gallegos on the § 1983 excessive-force claims arising from the deaths of Nicholas and Tuttle. The court held:

  • It had jurisdiction under the collateral-order doctrine to review the denial of qualified immunity “to the extent that it turns on an issue of law,” and it could assess the genuineness of fact disputes where the record (including video) “blatantly contradicts” plaintiffs’ version under Scott v. Harris.
  • The district court erred in treating the BWC video and Gallegos’s inconsistent statements about window-breaking as creating a genuine, material dispute about whether officer Medina was outside when Nicholas was shot; the record (including plaintiffs’ expert) “blatantly contradict[ed]” plaintiffs’ theory.
  • As to Nicholas: even assuming she was not standing over Medina and not reaching for his weapon, a reasonable officer could perceive her as a serious threat in the midst of an active, chaotic firefight with multiple officers down; deadly force was objectively reasonable.
  • As to Tuttle: even assuming Tuttle’s earlier wounds rendered him incapable of holding a gun, nothing showed that Gallegos could have known that; Tuttle’s orientation (back to the door) and continued movement in an active-shooter context made the final shots objectively reasonable.

III. Analysis

A. Precedents Cited

1. Qualified immunity framework and burdens

  • Pearson v. Callahan, 555 U.S. 223 (2009): supplies the two-step qualified-immunity inquiry and allows courts to address either prong first.
  • Tucker v. City of Shreveport, 998 F.3d 165 (5th Cir. 2021): reiterated the two-prong test and emphasized evaluating reasonableness as a reasonable officer would perceive the facts.
  • Joseph v. Bartlett, 981 F.3d 319 (5th Cir. 2020): explained how qualified immunity modifies summary-judgment burdens and how plaintiffs must show both a constitutional violation and clearly established law.
  • Morgan v. Swanson, 659 F.3d 359 (5th Cir. 2011) (en banc): placed the burden on plaintiffs to negate qualified immunity.
  • Celotex Corp. v. Catrett, 477 U.S. 317 (1986) and Anderson v. Liberty Lobby, Inc., 477 U.S. 242 (1986): supplied baseline summary-judgment principles, especially what makes a dispute “genuine” and “material.”
  • Valderas v. City of Lubbock, 937 F.3d 384 (5th Cir. 2019) (per curiam); Orr v. Copeland, 844 F.3d 484 (5th Cir. 2016); Ontiveros v. City of Rosenberg, 564 F.3d 379 (5th Cir. 2009): reinforce that once qualified immunity is invoked, plaintiffs must come forward with evidence beyond “mere allegations.”

2. Interlocutory appellate jurisdiction and fact disputes

  • Wertenbroch v. Hardeman, --- F.4th ----, 2026 WL 1583938 (5th Cir. 2026): cited for collateral-order review of qualified-immunity denials on legal issues.
  • Terry v. Hubert, 609 F.3d 757 (5th Cir. 2010): limited jurisdiction—no review of the district court’s determination that a genuine fact dispute exists, but review of the materiality of disputes is permitted.
  • Scott v. Harris, 550 U.S. 372 (2007): creates an exception allowing courts to reject a party’s factual account when “blatantly contradicted” by the record (notably video).
  • Poole v. City of Shreveport, 13 F.4th 420 (5th Cir. 2021) and Curran v. Aleshire, 800 F.3d 656 (5th Cir. 2015): applied Scott in the qualified-immunity context.
  • Cole v. Carson, 935 F.3d 444 (5th Cir. 2019) (en banc): cautioned appellate courts not to reweigh evidence, while still allowing review of whether disputed facts are material to qualified immunity.

3. Fourth Amendment excessive-force doctrine (deadly force)

  • Graham v. Connor, 490 U.S. 386 (1989): provided the objective-reasonableness framework and the three familiar factors (severity, threat, resistance/flight).
  • Tennessee v. Garner, 471 U.S. 1 (1985): deadly force is reasonable only with probable cause to believe the suspect poses a threat of serious physical harm.
  • Deville v. Marcantel, 567 F.3d 156 (5th Cir. 2009) (per curiam) and Tarver v. City of Edna, 410 F.3d 745 (5th Cir. 2005): stated the Fifth Circuit’s three-element formulation for excessive-force claims.
  • Manis v. Lawson, 585 F.3d 839 (5th Cir. 2009); Reese v. Anderson, 926 F.2d 494 (5th Cir. 1991); Young v. City of Killeen, 775 F.2d 1349 (5th Cir. 1985); Ontiveros v. City of Rosenberg, 564 F.3d 379 (5th Cir. 2009): line of cases granting qualified immunity when officers reasonably perceived threatening movements toward a possible weapon, even when the suspect was unarmed.
  • Harmon v. City of Arlington, 16 F.4th 1159 (5th Cir. 2021): emphasized the predominance of the “immediate threat” factor when deadly force is used.
  • Roque v. Harvel, 993 F.3d 325 (5th Cir. 2021): reiterated that officer intent is irrelevant; the question is what a reasonable officer would perceive.
  • Romero v. City of Grapevine, 888 F.3d 170 (5th Cir. 2018): restated the deadly-force standard under Garner.
  • Ryburn v. Huff, 565 U.S. 469 (2012) (per curiam): admonished courts to avoid second-guessing on-scene danger assessments.

4. “Knowable facts,” continuing threats, and incapacitation

  • White v. Pauly, 580 U.S. 73 (2017) (per curiam): instructed that reasonableness and qualified immunity consider “only the facts that were knowable to the defendant officers.”
  • Plumhoff v. Rickard, 572 U.S. 765 (2014): officers need not stop shooting until the threat ends; a “second round” may be unreasonable if the suspect was clearly incapacitated or clearly surrendered.
  • Mason v. Lafayette City-Parish Consol. Gov't, 806 F.3d 268 (5th Cir. 2015): denied qualified immunity where evidence could show the plaintiff lay incapacitated and nonthreatening before final shots—used by plaintiffs here, but distinguished by the panel on the “knowable” point.
  • Stroik v. Ponseti, 35 F.3d 155 (5th Cir. 1994): cautioned against replacing real-world dangers with a “sanitized world of our imagination.”
  • Est. of Parker v. Miss. Dep't of Pub. Safety, 140 F.4th 226 (5th Cir. 2025): cited for the proposition that ample precedent supports deadly force against an active shooter.

5. The demise of the “moment-of-threat” doctrine

  • Barnes v. Felix, 605 U.S. 73 (2025): held that reasonableness must be assessed in the context of all relevant circumstances, “including facts and events leading up to the climactic moment,” and the Fifth Circuit expressly recognized that the moment-of-threat doctrine “is no longer good law.”
  • Crane v. City of Arlington, 50 F.4th 453 (5th Cir. 2022): cited as the prior approach requiring focus only on the moment deadly force was used—now displaced by Barnes.

B. Legal Reasoning

1. Jurisdiction and video evidence: tightening the “Scott” gateway

The panel first addressed appellate jurisdiction. While interlocutory review cannot ordinarily revisit whether a factual dispute exists, the court emphasized two related powers: (1) it may review whether identified disputes are material to qualified immunity, and (2) under Scott v. Harris, it may reject a version of events that is “blatantly contradicted” by the record.

Applying those principles, the court rejected plaintiffs’ effort to use BWC footage to prove that Medina had already exited the home when Nicholas was shot. The video did not identify the officer outside the house as Gallegos, and plaintiffs’ identification theory (short sleeves, skin tone, tattoos, and a report placement) was deemed speculative—especially because other officers wore short sleeves and the video did not reveal Gallegos’s distinguishing tattoo. Critically, plaintiffs’ own expert (Maloney) and the Texas Rangers Report supported that Medina was inside when Nicholas was shot; thus, the record “blatantly contradict[ed]” the Medina-outside theory.

The court also treated Gallegos’s inconsistent statements about when he broke a window as, at most, credibility impeachment—not a material fact dispute capable of changing the constitutional analysis, particularly where the video did not itself resolve the timing of the Nicholas shooting.

2. Nicholas: deadly force justified by perceived threat in a firefight, even without a proven “grab for the gun”

The district court treated as material whether Nicholas was standing over Medina and tugging at his gun. On appeal, the Fifth Circuit accepted (for analysis) plaintiffs’ most favorable account on that point: Nicholas was not over Medina and not reaching for his weapon; she was seated on the couch at least eight feet away and began to stand when shot.

Even so, the court held the shooting was objectively reasonable because the assessment must be made through the eyes of a reasonable officer amid “tense, uncertain, and rapidly evolving” conditions. The panel emphasized what Gallegos could perceive: multiple officers were down and gunfire had erupted inside; Gallegos could not initially determine who was shooting; and Nicholas’s proximity to a wounded officer and his weapon, combined with movement off the couch in the middle of an active gunfight, could reasonably be perceived as an immediate threat.

The court situated this holding within Fifth Circuit deadly-force precedent (Manis v. Lawson, Ontiveros v. City of Rosenberg, Reese v. Anderson, Young v. City of Killeen) recognizing qualified immunity where officers reasonably interpret suspect movements as threatening—even if the suspect is later shown to be unarmed. The panel acknowledged Nicholas’s movements were less overt than reaching into a boot or toward a car floorboard, but treated the active-firefight context as the escalator that made a split-second deadly-force decision reasonable.

Importantly, the court did not treat Gallegos’s subjective intent as controlling, but it did not ignore his testimony that he shot at Nicholas. It reframed the operative question as: would an objectively reasonable officer in Gallegos’s position have fired at Nicholas? The court answered yes—thus no constitutional violation and qualified immunity attaches at prong one.

3. Tuttle: even if actually incapacitated, qualified immunity turns on what the officer could know

Plaintiffs challenged only the final two shots to Tuttle, arguing that prior wounds to both arms and hands made him incapable of holding or raising a gun. The panel assumed incapacity for purposes of analysis but held it was not dispositive because the relevant inquiry under White v. Pauly is what was “knowable” to Gallegos.

The court’s reasoning blended Plumhoff v. Rickard with the “knowable facts” limitation: officers may continue shooting until the threat ends, unless the suspect is clearly incapacitated or clearly surrendering. Here, the panel found no record basis to conclude Gallegos could perceive that Tuttle was no longer a threat—particularly where Tuttle’s back was to the door at a key moment and he continued to move (Maloney described Tuttle raising his upper body by his elbows before the fatal shot).

The court distinguished Mason v. Lafayette City-Parish Consol. Gov't—where a jury could find the suspect lay incapacitated and nonthreatening—because, even assuming actual incapacity, Tuttle’s posture, location, and movements in a chaotic firefight did not present a “clearly incapacitated” or “clearly surrendered” picture to a reasonable officer.

Finally, the panel underscored the surrounding facts known to the officer: multiple officers (Medina, Lovings, Goines, Reyna) had been shot in the moments before the final shots, reinforcing that this was an “active shooter” situation where deadly force is generally reasonable (Est. of Parker v. Miss. Dep't of Pub. Safety).

C. Impact

1. Practical effect on qualified-immunity appeals: more aggressive “Scott” screening

The opinion exemplifies a robust appellate willingness to use Scott v. Harris to police the boundary between reasonable inference and speculation—especially where video evidence is ambiguous and identification depends on non-distinctive traits (e.g., “short sleeves”). Litigants should expect heightened scrutiny of whether video truly supports a plaintiff’s reconstruction, and whether other record evidence (including plaintiffs’ experts) collapses the asserted dispute.

2. Deadly force in chaotic crossfire: “unarmed” is not dispositive when threat perception is reasonable

The Nicholas holding signals that, in the Fifth Circuit, an “unarmed” fact may carry less weight when the encounter is an active, confined firefight with officers down, where a person’s proximity to weapons and sudden movement can reasonably be perceived as immediately dangerous. The decision may broaden the practical safe harbor for officers making split-second decisions in rapidly evolving, high-threat raids.

3. Incapacitation disputes: “actual incapacity” versus “perceptible incapacity”

The Tuttle analysis clarifies that post hoc medical or ballistic evidence of incapacity will not defeat qualified immunity unless plaintiffs can tie that incapacity to what the officer could reasonably perceive in the moment. This framing shifts litigation toward perceptibility evidence (lighting, angles, distance, timing, statements, visibility of hands/weapon, etc.), not merely wound counts or trajectories.

4. Post-Barnes excessive-force analysis: context returns, but still filtered through “knowable facts”

The court explicitly recognized that the moment-of-threat doctrine is “no longer good law” after Barnes v. Felix. Going forward, courts will consider the lead-up to the shooting—yet this case demonstrates that expanded context can cut strongly in favor of officers where the lead-up includes an unfolding firefight and injuries to officers.

IV. Complex Concepts Simplified

  • Qualified immunity: A doctrine that protects officers from damages liability unless plaintiffs show (1) a constitutional violation and (2) that the law was clearly established. This case ended at step (1): the court found no violation.
  • “Objective reasonableness” (Fourth Amendment): The question is not whether the officer was correct or well-motivated, but whether a reasonable officer in the same situation could see a serious threat requiring that level of force.
  • Genuine vs. material fact disputes: A dispute is “genuine” if a jury could reasonably decide it for the non-movant; it is “material” only if it could change the legal outcome. Credibility disputes alone do not necessarily block summary judgment if they don’t matter to the governing legal test.
  • Collateral-order doctrine (interlocutory appeal): Qualified-immunity denials can be appealed before trial when the appeal turns on legal questions (e.g., whether assumed facts establish a violation), not merely “who to believe.”
  • Scott v. Harris rule: If video (or equivalent record evidence) makes one side’s story impossible for a reasonable jury to believe, courts need not accept that story at summary judgment.
  • “Knowable facts” limitation: Liability turns on what the officer could reasonably know or perceive, not what later forensic analysis reveals.
  • End of the “moment-of-threat” doctrine: After Barnes v. Felix, courts must consider events leading up to the shooting, not just the split second when the trigger was pulled.

V. Conclusion

Tuttle v. Gallegos strengthens two interlocking propositions in Fifth Circuit excessive-force law: (1) courts will closely police claimed fact disputes in qualified-immunity appeals—especially where video is ambiguous and the record “blatantly contradicts” a litigant’s narrative under Scott v. Harris; and (2) in an active, rapidly evolving gunfight, deadly force may be constitutionally reasonable against individuals who are unarmed or later claimed to be incapacitated, so long as a reasonable officer could perceive an ongoing serious threat based on the circumstances and what was knowable at the time.

The case’s broader significance lies in its synthesis of post-Barnes v. Felix contextual analysis with the “knowable facts” constraint from White v. Pauly, producing a doctrine that considers the full lead-up—yet remains deferential to split-second threat assessments in the most volatile encounters.