Short answer: A defendant facing several criminal charges in Thailand may plead guilty to one charge and contest the others. The guilty plea does not automatically amount to an admission of every allegation. The prosecution must still prove each contested charge, although the facts and evidence behind the different charges may overlap.
Fact-checked by Barrister Garn Tuntasatityanond, Barrister-at-Law and licensed Thai lawyer (Thailand Lawyer Licence No. 3417/2553), on 14 October 2026.
Before entering or changing a plea, a defendant should understand the indictment, the translation, the elements of each offence and the possible effect of an admission on the overall defence. This is particularly important for a foreign defendant who does not read or understand Thai.
A recent Pattaya case illustrates the issue
According to news reports, Australian national Simon Peter Carman faces several charges in the Pattaya Provincial Court arising from the death of a 17-year-old Thai girl. The reported charges include murder, concealing or moving a corpse and offences involving a minor.
Mr Carman initially denied the allegations. At a court hearing on 12 October 2026, he reportedly indicated that he would plead guilty to the corpse-concealment charge while continuing to deny the murder and other charges. He has reportedly raised self-defence in relation to the death. The court hearings for prosecution and defence witnesses were reported as being scheduled for 8, 9 and 11 December 2026.
These remain allegations in an ongoing case. No final judgment has been delivered, and the defendant remains presumed innocent of every charge that has not been finally proved. The factual summary is based on reports by ABC News and the Associated Press, not on the complete court file.
Can a defendant plead guilty to only some charges?
Yes. Where an indictment contains several charges, the court records the defendant’s plea and defence. Section 172 of the Thai Criminal Procedure Code requires the court to read and explain the charge to the defendant, ask whether the defendant committed the offence and ask how the defendant intends to defend the case.
A defendant may therefore, depending on the indictment and case strategy:
- plead guilty to one charge;
- deny another charge;
- dispute particular facts or legal elements; and
- raise self-defence or another recognised defence to a contested charge.
See the official Thai Criminal Procedure Code in the Office of the Council of State database and search Section 172.
What happens to the charge that is admitted?
Section 176 of the Thai Criminal Procedure Code provides that, where a defendant pleads guilty as charged, the court may deliver judgment without hearing further evidence. There is an important exception: if the admitted offence carries a statutory minimum imprisonment term of at least five years, or a heavier punishment, the court must still hear prosecution evidence until satisfied that the defendant committed the offence.
This means a guilty plea does not produce an identical procedure in every case. The court must examine the punishment attached to the particular charge that has been admitted.
Section 199 of the Thai Penal Code separately covers secretly burying, concealing, moving or destroying a corpse or part of a corpse in order to conceal a birth, death or cause of death. It provides a maximum sentence of one year’s imprisonment, a fine not exceeding THB 20,000, or both. The exact offence and legal consequences in any individual case must be checked against the wording of the indictment and the facts admitted in court.
Official texts: Criminal Procedure Code, Section 176 and Penal Code, Section 199, Office of the Council of State.
What happens to the charges that are denied?
The contested charges continue through the ordinary trial process. The prosecution must present evidence capable of proving the elements of those offences beyond a reasonable doubt. The defence may challenge prosecution witnesses, object to evidence where legally available and present witnesses, documents, forensic material or other evidence supporting the defence.
A guilty plea to one charge does not, by itself, amount to a conviction for another charge with different legal elements. Nevertheless, evidence surrounding the admitted conduct may overlap with the evidence relied on for the contested charges. A plea should therefore never be treated as an isolated administrative step.
Does a guilty plea always reduce the sentence by half?
No. Section 78 of the Thai Penal Code allows the court, where mitigating circumstances exist, to reduce the sentence by no more than one half. Relevant circumstances may include genuine remorse, efforts to mitigate the harm, surrender or information useful to the court.
The wording is discretionary. It does not guarantee a fifty-percent reduction whenever a defendant pleads guilty. The timing, usefulness and surrounding circumstances of the plea may affect the court’s assessment.
See the official Thai Penal Code in the Office of the Council of State database and search Section 78.
Why the pre-trial evidence examination matters
Under Section 173/1 of the Thai Criminal Procedure Code, where a defendant does not enter a plea or pleads not guilty, the court may set a pre-trial evidence examination date so that the proceedings can be conducted promptly, continuously and fairly.
At this stage, the parties may address matters including:
- witness lists and the witnesses who will actually be called;
- documents, physical evidence and forensic material;
- facts that can be agreed without formal proof;
- applications for evidence held by third parties;
- the disputed issues remaining for trial; and
- the dates and expected length of the witness hearings.
Where only some charges are admitted, this process remains important for the charges that are still contested. The official provision appears in the Thai Criminal Procedure Code, Section 173/1.
How does a self-defence argument work under Thai law?
Section 68 of the Thai Penal Code recognises lawful self-defence where a person must act to protect their own or another person’s right from an unlawful and imminent attack, and the response is proportionate to the circumstances.
Merely saying “I acted in self-defence” is not enough. The court may examine:
- who initiated the violence or threat;
- whether a weapon or immediate danger existed;
- whether the danger was still imminent when force was used;
- the nature and degree of the response;
- injuries and forensic findings;
- CCTV, telephone data and the timeline; and
- conduct before and after the incident.
No conclusion can presently be drawn about the reported defence in the Pattaya case without the complete evidence and the court’s findings. See the official Thai Penal Code, Section 68.
Interpreter and lawyer rights for foreign defendants
Section 13 of the Thai Criminal Procedure Code requires an interpreter where a victim, suspect, defendant or witness cannot speak or understand Thai and no interpreter is available. The interpreter must translate accurately without adding to or omitting from what is said.
Section 7/1 also gives an arrested or detained suspect the right to meet and consult a prospective lawyer in private and to have a lawyer or trusted person attend the police interview. Additional rules on state-appointed counsel may apply, including Section 134/1 during the investigation of offences punishable by death and other imprisonment cases.
Before entering a plea, a foreign defendant should understand:
- each allegation and the conduct relied on by the prosecution;
- the legal elements of each charge;
- which facts are being admitted and which are disputed;
- the possible sentencing consequences;
- the effect on the remaining defence; and
- possible immigration consequences after the criminal case.
See the official Thai Criminal Procedure Code and search Sections 7/1, 13 and 134/1.
Can the victim’s family claim compensation in the criminal case?
Section 44/1 of the Thai Criminal Procedure Code allows an injured person, in a criminal case prosecuted by a public prosecutor, to petition the criminal court for compensation arising from injury to life, body, mind, physical liberty, reputation or property caused by the defendant’s alleged offence.
The petition must normally be filed before the taking of evidence begins. If no evidence is to be taken, it must be filed before the court decides the case. The claimant must provide reasonable details of the damage and the amount sought.
The amount claimed is not automatically the amount awarded. The claimant must establish the right to compensation and the damage, while the defendant may contest entitlement, causation and quantum.
News reports state that the family in the Pattaya case seeks THB 1.65 million. However, reports describe the procedural route differently, including as a separate civil case. It should not be stated that the claim was filed under Section 44/1 unless the actual petition or court record confirms that fact.
See the official Thai Criminal Procedure Code, Section 44/1.
Five checks before pleading guilty to part of an indictment
- Read the complete indictment. Separate the alleged conduct and legal elements charge by charge.
- Map overlapping facts. Identify whether admitting one allegation may affect a defence to another.
- Review the key evidence. This may include CCTV, forensic reports, autopsy findings, telephone data and witness statements.
- Confirm the translation. The defendant should understand the plea, its consequences and the precise facts being admitted.
- Record the plea clearly. The court record should distinguish the admitted charge from every charge that remains contested.
Where the defendant remains detained while the case proceeds, see our guides to preparing a court bail application for a foreign defendant and Thailand’s 84-day pre-charge remand period.
Frequently asked questions
Does pleading guilty to concealing a corpse mean admitting murder?
No, not automatically. The offences have different legal elements. The prosecution must still prove the murder charge, although the surrounding facts and evidence may overlap.
Will a guilty plea always reduce the sentence by half?
No. Section 78 permits, but does not require, the court to reduce a sentence by no more than one half where mitigating circumstances exist.
Can a defendant change a not-guilty plea later?
A change may be possible subject to the procedural stage and the court’s handling of the case. Its timing and circumstances may affect the weight given to it as mitigation. Legal advice should be obtained before any change.
What should a foreign defendant do if the translation is unclear?
The defendant should tell the court or lawyer immediately and request a complete explanation before answering or entering a plea. A defendant should not agree simply to move the hearing forward while the legal effect remains unclear.
Must a defendant admit murder before relying on self-defence?
There is no safe universal formula. The form of the plea and defence must be considered against the indictment, evidence and complete case theory. A defendant should not adopt a position without case-specific legal advice.
Legal assistance in serious criminal proceedings
A partial guilty plea can narrow a case, but it can also affect the use of evidence, sentencing strategy and the credibility of the remaining defence. In a serious criminal case, the indictment, translations and evidence should be reviewed together before a plea is entered or changed.
Siam Center Law Group advises Thai and foreign clients on criminal investigations, detention, bail applications, evidence preparation and trials in Thailand. Urgent court dates, detention details and immigration restrictions should be disclosed at the beginning of the assessment.
This article provides general information about Thai law and procedure. It is not legal advice for any individual case. The indictment, evidence, procedural stage and court orders may materially change the analysis.
