A Convincing Mosaic Must Support a Reasonable Inference of Discrimination, and a Voluntary Resignation Is Not an Adverse Employment Action

Case: Tara Burge v. Sheriff of Manatee County, Florida

Court: United States Court of Appeals for the Eleventh Circuit

Date: September 25, 2026

Disposition: Summary judgment for the Sheriff affirmed.

Introduction

Tara M. Burge, a former detective with the Manatee County Sheriff’s Office (“MCSO”), sued Sheriff Rick Wells in his official capacity. She alleged sex discrimination under Title VII and race discrimination and retaliation under 42 U.S.C. § 1983.

The dispute arose after evidence showed that Burge maintained a prolonged relationship with Thomas Bradshaw, a convicted felon, and accessed law-enforcement databases without an identifiable law-enforcement purpose. Both activities violated MCSO policies. Burge was given the option to resign while retaining benefits or face possible termination, and she resigned.

On appeal, the principal issue was whether the district court improperly confined its analysis to pretext under the McDonnell Douglas framework rather than considering the entire record under the Eleventh Circuit’s “convincing mosaic” approach.

Summary of the Opinion

The Eleventh Circuit affirmed summary judgment for Sheriff Wells. It agreed that the district court should have evaluated Burge’s evidence under the broader convincing-mosaic inquiry required by Ismael v. Roundtree. Remand was nevertheless unnecessary because the appellate court could affirm on any ground supported by the record, and the complete record did not permit a reasonable inference of intentional sex discrimination.

The court identified three independently important conclusions:

  1. Burge abandoned her § 1983 race-discrimination and retaliation claims by failing to meaningfully challenge their dismissal in her opening appellate brief.
  2. Her resignation was voluntary rather than an adverse employment action because she could choose between resigning with benefits and contesting possible termination.
  3. Even assuming the existence of an adverse action, her comparator and FDLE evidence did not create a convincing mosaic from which a reasonable jury could infer sex discrimination.

Analysis

1. Precedents Cited

Ismael v. Roundtree

Ismael v. Roundtree supplied both the summary-judgment standard and the central discrimination framework. It establishes that, once a plaintiff presents a prima facie case and the employer gives a legitimate, nondiscriminatory reason, the ultimate question is whether all the evidence would allow a jury to find intentional discrimination. A court may not grant summary judgment solely because the plaintiff failed to disprove the employer’s explanation.

Applying Ismael, the panel acknowledged that the district court should have conducted a convincing-mosaic review. It nevertheless examined the entire record itself and found no triable inference of discriminatory intent.

United States v. Campbell and Sapuppo v. Allstate Floridian Ins. Co.

These cases governed appellate abandonment. United States v. Campbell states that issues omitted from an appellant’s initial brief are ordinarily abandoned. Sapuppo v. Allstate Floridian Ins. Co. further explains that passing references or perfunctory assertions unsupported by argument and authority are insufficient.

Because Burge did not adequately brief the disposition of her § 1983 claims, the court treated any challenge to those rulings as abandoned.

McDonnell Douglas Corp. v. Green

McDonnell Douglas Corp. v. Green provides the familiar three-stage method for evaluating circumstantial discrimination claims: the plaintiff establishes a prima facie case, the employer identifies a legitimate nondiscriminatory reason, and the plaintiff attempts to show that reason is pretextual.

The panel emphasized that this framework is an evidentiary tool, not the exclusive means of proving discrimination and not a substitute for deciding the ultimate question of discriminatory intent.

Smith v. Lockheed-Martin Corp.

Smith v. Lockheed-Martin Corp. established that satisfying every element of McDonnell Douglas is not necessary to survive summary judgment. A plaintiff may instead present a “convincing mosaic” of circumstantial evidence allowing a jury to infer intentional discrimination.

Lewis v. City of Union City

Lewis v. City of Union City identifies common pieces of a convincing mosaic, including suspicious timing, ambiguous statements, systematically better treatment of similarly situated employees, and evidence that the employer’s explanation is pretextual. The court used these considerations to evaluate Burge’s evidence collectively rather than treating pretext as the sole inquiry.

Kernel Recs. Oy v. Mosley

Kernel Recs. Oy v. Mosley permits an appellate court to affirm on any ground supported by the record, even if the district court did not rely upon or consider that ground. This principle allowed the panel to perform the required convincing-mosaic analysis without remanding the case.

Morgan v. Ford and Hargay v. City of Hallandale

Morgan v. Ford provides the constructive-discharge standard: working conditions must be so intolerable that a reasonable person would feel compelled to resign. Hargay v. City of Hallandale holds that a resignation may remain voluntary even when the alternative is possible termination for cause, because the employee may choose to remain and contest the charges.

Burge’s choice between resigning with benefits and facing possible termination did not satisfy the intolerable-conditions standard. Her resignation therefore was not an adverse employment action.

Williams v. Bd. of Regents of Univ. Sys. of Ga.

Williams v. Bd. of Regents of Univ. Sys. of Ga. recognizes that comparator evidence may remain relevant despite factual differences, but those comparisons must still support a reasonable inference of discriminatory intent. The panel applied this principle to reject Burge’s proposed comparators.

2. Legal Reasoning

The convincing-mosaic inquiry

The court accepted Burge’s methodological point: the district court should not have focused narrowly on whether she disproved the Sheriff’s stated reasons. The proper inquiry was whether all circumstantial evidence, viewed in her favor, could permit a jury to infer sex discrimination.

That broader review did not help Burge. The record strongly supported the Sheriff’s conclusion that she had both maintained a prohibited relationship with a convicted felon and made unauthorized database inquiries. Those were facially sex-neutral policy violations.

Comparator evidence

Burge identified Major Thomas Porter and Sergeant Marvina Johnson as employees who allegedly associated with convicted felons but received better treatment. The comparisons were inadequate:

  • Major Porter did not have the same combination of misconduct. The record did not show that he associated with a convicted felon, improperly disclosed database information, or generated a comparable civilian complaint.
  • Sergeant Johnson’s conduct occurred more than a decade before Sheriff Wells became Sheriff, weakening any inference concerning Wells’s intent or disciplinary practices.
  • Sergeant Johnson was also a woman and therefore was not outside Burge’s protected group.

The court did not require exact factual identity between comparators. It instead held that the differences were sufficiently material that the comparisons did not reasonably suggest sex-based favoritism.

The FDLE investigation

Burge argued that the Florida Department of Law Enforcement found insufficient evidence of a moral-character violation. The record did not support that characterization. FDLE dismissed the matter to correct procedural or recordkeeping errors after concluding that Burge’s case had apparently been deleted within the agency. The dismissal therefore was not a substantive exoneration and did not show that MCSO’s reasons were false or discriminatory.

No adverse employment action

The court also upheld the district court’s finding that Burge voluntarily resigned. An unpleasant choice is not necessarily an involuntary one. Because she retained the option to remain employed and contest possible termination, and because she did not show objectively intolerable working conditions, her resignation did not amount to constructive discharge.

Impact

The decision reinforces that Eleventh Circuit courts must evaluate circumstantial discrimination evidence as a whole. Failure to establish pretext is relevant, but it cannot automatically end the case if other evidence could support an inference of discrimination.

At the same time, the convincing-mosaic approach does not reduce the plaintiff’s evidentiary burden. Comparator evidence must meaningfully suggest discriminatory intent, and external administrative dispositions must be accurately characterized. The decision also confirms that appellate courts may cure an incomplete district-court analysis by independently reviewing the record.

The ruling is designated “Not for Publication,” so it does not carry the same precedential force as a published Eleventh Circuit opinion. It nevertheless offers persuasive guidance on convincing-mosaic analysis, constructive discharge, comparator evidence, and appellate abandonment.

Complex Concepts Simplified

Summary judgment
A ruling entered without trial when no genuine dispute over a material fact could allow a reasonable jury to find for the opposing party.
Prima facie case
An initial showing of facts that, if unexplained, can support an inference of discrimination.
Pretext
Evidence that the employer’s stated reason is false or is concealing an unlawful discriminatory motive.
Convincing mosaic
A collection of circumstantial facts that, considered together, would permit a reasonable jury to infer intentional discrimination.
Comparator
Another employee whose treatment may reveal discrimination because the employee engaged in materially similar conduct under comparable circumstances.
Constructive discharge
A resignation legally treated as a firing because the employer made working conditions objectively so intolerable that a reasonable employee would feel compelled to resign.
Appellate abandonment
The loss of an appellate issue because the appellant did not adequately present and support it in the opening brief.

Conclusion

Tara Burge v. Sheriff of Manatee County, Florida confirms that courts must consider the totality of circumstantial evidence rather than treating inability to prove pretext as automatically fatal. But the totality must still permit a reasonable inference of discriminatory intent.

Burge’s materially different comparators, mischaracterized FDLE dismissal, and voluntary resignation did not meet that standard. The opinion therefore illustrates both the breadth and the limits of the convincing-mosaic doctrine while underscoring the importance of fully briefing every claim on appeal.