Vulnerable Defendant Participation and the s.31 Refugee Defence: Unsafe Conviction Where Adjustments, Directions, and Key Asylum Evidence Are Missing

1) Introduction

In THR, R. v (Rev1) [2026] EWCA Crim 742, the Court of Appeal (Criminal Division) (Popplewell LJ, Linden J, Brunner J) allowed an appeal against conviction for possession of an identity document with improper intention contrary to section 4(1)–(2) of the Identity Documents Act 2010.

The applicant, a Kurdish Turkish national, was stopped on arrival at Birkenhead ferry terminal after travelling from Belfast and produced a false Polish identity document. She promptly disclosed her true identity and later explained that she was fleeing political persecution and intended to claim asylum. At trial she relied, in the alternative, on the statutory refugee defence in section 31 of the Immigration and Asylum Act 1999 (as amended by section 37(5)(a) of the Nationality and Borders Act 2022).

The appeal focused on whether the conviction was safe given (i) fresh psychiatric evidence showing significant vulnerability at trial and at the time of the incident; (ii) fresh evidence relevant to whether it was reasonable to expect the applicant to claim asylum in Greece; and (iii) an apparent oversight at trial as to when the applicant first claimed asylum in the UK.

2) Summary of the Judgment

  • The Court admitted fresh evidence (including expert psychiatric evidence and a report on Greek practices) under section 23 of the Criminal Appeal Act 1968.
  • It held that the applicant’s trial involved a real risk of unfairness due principally to the absence of reasonable adjustments and suitable jury directions in light of her mental health vulnerabilities.
  • It further held that the trial handling of the “Greece transit” issue and the mispresentation of when asylum was claimed each added to doubts about safety.
  • The conviction was therefore unsafe and the appeal was allowed. The Crown did not seek a retrial.

3) Analysis

A. Precedents Cited

The principal authority cited on the statutory asylum-defence timetable was R v Jaddi (Sina) [2012] EWCA Crim 2565. The Court reiterated that what is “reasonably practicable” for the purposes of s.31(1)(c) is an objective test, but one that must take account of the defendant’s state of knowledge, intention and mind. It stated that a similar approach applies to the “reasonable expectation” analysis under s.31(2) for transit countries.

While Jaddi supplies the doctrinal frame, the present judgment’s practical significance lies in how that test interacts with (i) vulnerability affecting comprehension, recall and communication; (ii) the fairness of the evidential platform on which the s.31 issues are tried; and (iii) the court’s case-management duties to facilitate effective participation.

B. Legal Reasoning

(1) Vulnerability, reasonable adjustments, and jury directions

The Court accepted fresh evidence from a consultant forensic psychiatrist, Dr Kamara, diagnosing complex PTSD and depression, with symptoms present at the time of trial and likely aggravated by imprisonment. The evidence was treated as cogent and credible, supported by: medical records post-sentence, the transcript of the applicant’s evidence, and observations by others who spoke to her in custody.

The Court placed this evidence alongside the procedural framework requiring courts to facilitate participation:

  • Criminal Procedure Rules 2020, including the duty to take every reasonable step to facilitate a defendant’s participation (r.3.8).
  • Criminal Practice Directions 2023 on vulnerable people, the need to adapt the trial process, and when to consider a ground rules hearing and/or intermediary involvement.
  • The Advocate’s Gateway toolkit on questioning people with suspected/diagnosed mental health disorders (as a practical resource for advocates and judges).
  • Equal Treatment Bench Book guidance on when intermediary appointment may be necessary for effective participation.

Without attributing fault to the trial judge or advocates, the Court concluded that, had the vulnerability been understood, a different questioning approach and other adjustments were likely required, and the jury would have needed appropriate directions on how the impairment could affect (i) the applicant’s presentation as a witness and (ii) her actions when producing the false document (relevant to “improper intention”). The absence of such adjustments and directions created a real risk of unfairness, undermining safety.

(2) Greece as a transit country: correcting a distorted evidential picture

The applicant’s s.31 defence required consideration of whether she “could not reasonably be expected” to seek Refugee Convention protection in a transit state (s.31(2)). At trial, the applicant said she did not claim asylum in Greece because she believed Greek authorities were returning people to Turkey without proper investigation. The cross-examination and a judicial “judicial notice” intervention (noting Greece/Italy as Refugee Convention signatories) risked leaving the jury with the impression that, absent independent proof, this limb could not be met.

In that “rather unusual” setting, the Court admitted a detailed report from Ms Bouchetel about contemporaneous Greek practices of returning Turkish refugees, treating it as capable of important influence on a live issue. The Court carefully limited the wider implication: it was not suggesting such evidence is normally required or routinely admissible, but admitted it here because the trial process had made the point unusually pivotal and potentially misleading.

(3) “As soon as reasonably practicable”: overlooked evidence that asylum was claimed at first interview

The Court identified an additional distortion: the jury was directed on the basis that asylum was not claimed until months later. In fact, the recorded interview on the evening of arrest included the legal representative indicating an intention to claim asylum, and the Home Office treated that date as the claim date. This appears to have been overlooked by both sides. Had it been put correctly, it would have changed the complexion of the s.31(1)(c) issue.

(4) Fresh evidence and the “unsafe conviction” conclusion

Applying section 23(2) of the Criminal Appeal Act 1968, the Court admitted the fresh evidence in the interests of justice: it was credible, significant, and not absent through any fault of the applicant. Taken together—principally the psychiatric evidence, supported by the other two points—the conviction was held unsafe.

C. Impact

  • Vulnerability and participation as conviction-safety issues: the decision underscores that failures to identify and respond to a defendant’s communication/mental health vulnerabilities can move beyond case-management critique into unsafe conviction territory, particularly where credibility and state of mind are central.
  • s.31 refugee defence litigation: the judgment illustrates how s.31 issues can be derailed by misframing (e.g., overlooking an early asylum claim) or by presenting transit-country reasonableness in a way that implies unrealistic evidential burdens on a defendant.
  • Use of expert/context evidence on transit-country protection: while not establishing a general requirement, the Court signalled that where a defendant’s account about transit-state practices has been treated as inherently implausible, later objective material may be admitted as fresh evidence if it could have materially affected the jury’s assessment.
  • Prosecutorial fairness: the Court’s discussion of the overlooked asylum-claim evidence reinforces the Crown’s duty to present the case fairly, not merely adversarially, on statutory-defence ingredients.

4) Complex Concepts Simplified

Section 31 (refugee defence)
A statutory defence for refugees charged with certain offences connected to irregular entry/presence. Broadly, the defendant must show prompt presentation to authorities, “good cause” for illegal entry/presence, and an asylum claim as soon as reasonably practicable; and, if they passed through another country, that they could not reasonably be expected to seek protection there.
“Reasonably practicable” (s.31(1)(c))
Not “the first possible moment”, but an objective assessment sensitive to what the defendant knew, intended, and could manage in the circumstances (per R v Jaddi (Sina) [2012] EWCA Crim 2565).
Complex PTSD
A trauma-related condition that can impair memory, coherent recall, comprehension, and communication—effects that may worsen under stress, such as cross-examination—potentially making a truthful witness appear inconsistent or evasive.
Reasonable adjustments / ground rules hearing / intermediary
Tools to help a vulnerable defendant understand proceedings and give their best evidence—e.g., simpler questions, more breaks, seating, timelines, and, where necessary, an intermediary to facilitate communication.
Fresh evidence on appeal (Criminal Appeal Act 1968, s.23)
The Court of Appeal may admit evidence not heard at trial if it is in the interests of justice, considering credibility, potential impact, and why it was not adduced earlier.

5) Conclusion

[2026] EWCA Crim 742 is a significant reminder that effective participation is not a procedural aspiration but a fairness requirement. Where fresh psychiatric evidence shows that a defendant’s mental health likely impaired comprehension, recall and communication at trial—and where no appropriate adjustments or jury directions were deployed—a conviction may be unsafe, particularly when the defendant’s state of mind is central. The judgment also highlights the need for scrupulous accuracy in presenting the factual foundation for the s.31 refugee defence, including (i) what happened at the first police interview about asylum and (ii) how “reasonable expectation” of protection in transit countries is framed for a jury.