No. 21-53October Term 2021Decided Feb 28, 2022
Holcombe v. Florida
The core issue is whether a trial can be trusted when defense counsel allegedly represented both the accused and an important prosecution witness at the same time.
Case status
- Current stage
- Decided
- Latest event
- Decision released Feb 28, 2022
- What it's about
This case concerns whether a criminal defendant’s Sixth Amendment right to conflict-free counsel was violated when his lawyer simultaneously represented him and a key prosecution witness during the trial. It also asks whether prejudice should be presumed when the prosecutor warned the trial judge about the conflict at the start of trial and the judge failed to investigate it.
Question presented
1. Whether a criminal defendant establishes an “actual” conflict of interest that adversely affects counsel’s representation when the attorney engages in “joint and dual” representation – i.e., simultaneously representing both the defendant and a key prosecution witness during a trial. 2. Whether the “presumed prejudice” conflict of interest standard applies when the prosecutor (rather than defense counsel) puts the trial judge on notice at the beginning of a trial of defense counsel’s conflict of interest – a conflict which is described by the prosecutor as “not waiveable” – and the judge thereafter fails to inquire into the nature and scope of the conflict.
- Case path
District Court of Appeal of Florida, Fifth District / Decision released Feb 28, 2022
- Area
Decided Supreme Court case
Briefing
What it's about
Holcombe v. Florida asks whether a defendant's Sixth Amendment right to conflict-free counsel was violated when his lawyer represented both him and a key prosecution witness at the same trial. It also asks whether prejudice should be presumed when the prosecutor warned the judge about that conflict at the start of trial and the judge did not investigate it.
Vote
The case is still pending, and no oral argument has been scheduled. The petition asks the Court to clarify when dual representation creates an actual conflict and when prejudice should be presumed after a judge is warned but does not inquire.
Impact
The case could affect how courts handle trials when a defense lawyer may have divided loyalties. For example, it matters to defendants whose lawyers also represent a witness who is helping the prosecution.
What's next
The next thing to watch is whether the Supreme Court takes up the petition for certiorari (the Court's decision to hear the case) and later sets oral argument. No decision window is available yet.
What is the main legal fight in Holcombe v. Florida?
The petition says the lawyer represented both the defendant and a key prosecution witness during trial. The Court is being asked whether that created an actual conflict and whether prejudice should be presumed.
Why could this case matter beyond one defendant?
It could shape how judges respond when they learn a defense lawyer may have divided loyalties. That could affect future appeals and trial procedures in criminal cases.
What should readers watch for next in this case?
Watch to see whether the Supreme Court grants certiorari and agrees to hear the case. If it does, the next major milestone would be briefing and an oral argument date.
Decision
What the Court decided
The core issue is whether a trial can be trusted when defense counsel allegedly represented both the accused and an important prosecution witness at the same time.
Impact
The case could affect how courts handle trials when a defense lawyer may have divided loyalties. For example, it matters to defendants whose lawyers also represent a witness who is helping the prosecution.
Not official Court text.
Opinion documents
Timing
Decided February 28, 2022
The Court released its decision on February 28, 2022 without hearing oral argument.
Documents
Related cases




Grounding
- Grounding
- Primary materials plus reporting.
- Note
- Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.
- Checked
- Jul 2, 2026
- Method
- Methodology