Qisas is the principle of proportional retaliation in Islamic criminal law, giving the victim or the victim’s heirs the right to demand a punishment that matches the harm inflicted. It applies to intentional killing and deliberate physical injury. But retaliation is only one of three options the law puts on the table, and the choice belongs to the victim’s family, not the state.
Where the Principle Comes From
Two Quranic passages form the backbone of Qisas. Surah Al-Baqarah (2:178) prescribes legal retribution for murder and then immediately introduces mercy: “But if the offender is pardoned by the victim’s guardian, then blood-money should be decided fairly and payment should be made courteously. This is an alleviation from your Lord and a mercy.”1Quran.com. Surah Al-Baqarah 178-188
Surah Al-Ma’idah (5:45) addresses injuries directly: “A life for a life, an eye for an eye, a nose for a nose, an ear for an ear, a tooth for a tooth—and for wounds equal retaliation. But whoever waives it charitably, it will be atonement for them.”2Quran.com. Surah Al-Ma’idah 45
Two ideas run through both verses. Punishment must be proportional and may never exceed the original harm. And forgiveness is treated as spiritually meritorious, not as a loophole. Every procedural rule within Qisas traces back to one of these two principles.
Which Offenses Actually Qualify
Islamic jurisprudence sorts unlawful killing into three categories, and the category determines whether physical retaliation is even possible.
Intentional Homicide (Qatl-i-Amd)
This is the only category that fully triggers the right to Qisas. The offender deliberately killed using a weapon or method likely to cause death. Courts look at the instrument used and the surrounding circumstances. Someone who strikes another person with a blade or firearm in a manner plainly intended to kill meets this threshold. Proven intent combined with a lethal method is the key. Without both, the case drops into a lower category.
Quasi-Intentional Homicide (Shibh al-Amd)
This middle category covers situations where someone intentionally struck the victim but used an object that would not ordinarily kill, such as a cane, whip, or small stone. The person meant to hit, not to kill, yet death resulted. Because the intent to cause death is absent, physical retaliation is not available. The offender’s extended family group bears liability for heavier-than-normal blood money, and the offender must also perform a religious expiation known as kaffara.
Accidental Homicide (Qatl-i-Khata)
When a death results from genuine mistake or accident with no intent to harm at all, the case falls here. A hunter who fires at an animal and strikes a bystander, or someone whose vehicle causes a fatal accident through honest error, would typically be classified this way. Retaliation is completely off the table. The remedy is blood money, and the financial burden typically falls on the offender’s collective support group rather than the offender alone.
Who Decides the Outcome
The most distinctive feature of Qisas is that the victim’s legal heirs, collectively known as the Wali al-Dam, decide the offender’s fate after a conviction. The state cannot force retaliation if the family chooses otherwise. This is treated as a private right of the injured party, not a public prosecution decision.
The heirs have three options:
- Qisas, meaning retaliation. The offender receives the same harm inflicted on the victim, up to and including execution for murder.
- Diya, meaning blood money. The family accepts a standardized payment from the offender or the offender’s family and drops the claim to physical punishment.
- Afw, meaning pardon. The family forgives the offender outright, with no physical punishment and no financial compensation required. Verse 5:45 frames this as atonement for the one who grants it.2Quran.com. Surah Al-Ma’idah 45
The choice among these three requires consensus. Every eligible heir with a legal stake must agree. When some want retaliation and others want pardon or compensation, the law generally moves toward the more lenient outcome. A single relative cannot force execution over the objections of the others. Once the family’s decision is formally recorded, the court treats it as binding.
How Blood Money Works in Practice
When the family accepts compensation instead of retaliation, the case shifts to Diya. Once accepted, the claim to physical punishment is permanently closed.
All major schools of Islamic jurisprudence agree that the base Diya for the death of a free Muslim man is 100 camels. Historically, alternative forms of payment were also recognized: 200 cows, 1,000 sheep, 1,000 gold dinars, or 10,000 silver dirhams.3Encyclopaedia Iranica. DIA – Section: i. In Shiite Law Modern courts translate these classical amounts into local currency, and the resulting figures vary widely.
Saudi Arabia has historically set blood money at 100,000 riyals, roughly $27,000 USD, for a Muslim man, with lower amounts for women and non-Muslims.4Philippine Consulate General in Jeddah. Qisas and Diyya or Blood Money Reports have surfaced of proposed reforms to equalize these rates, though the current status is unclear. Iran takes a different approach: the head of the judiciary sets the amount fresh each year. For the Iranian year 1404, running from March 2025 through March 2026, the full Diya stands at 16 billion rials, with one-third added if the offense occurs during one of the four sacred lunar months. Pakistan ties its figure to the value of silver, so the amount fluctuates with commodity markets.
Blood money is not a single global figure. It is a locally determined amount that can range from the equivalent of tens of thousands to hundreds of thousands of dollars.
What Has to Be Proven
Courts set a deliberately high evidentiary bar before authorizing retaliation. The punishment is irreversible, so the prosecution must prove that the accused specifically intended the exact harm that occurred, that the accused was of sound mind, and that they had reached the age of legal responsibility at the time.
Classical Islamic law accepts two primary forms of proof: a voluntary confession, or the testimony of eyewitnesses of good character. The Risalah of Ibn Abi Zayd, an authoritative Maliki legal text, states that “nobody should be killed in respect of a homicide except where men of integrity give evidence, or where the killer makes a confession.”5International Islamic University Malaysia. Risalah of Ibn Abi Zayd al-Qayrawani – Chapter 37: A Chapter on Homicide Cases and Other Judgements If evidence is purely circumstantial, or if only a single witness testifies, many classical authorities hold that a Qisas sentence cannot proceed. The case may still produce blood money or a lesser penalty, but not physical retaliation.
Whether modern forensic tools like DNA, fingerprints, or ballistics can substitute for eyewitness testimony remains one of the most contested questions in contemporary Islamic criminal law. Some scholars argue that forensic proof falls under the classical concept of qarinah, or circumstantial evidence, and that sufficiently strong corroborated findings should support a Qisas conviction. Others maintain that the evidentiary requirements for the most severe punishments are fixed by scripture and that no scientific advancement can replace direct testimony or confession. Courts in different countries have landed on different sides, and the debate is unsettled.
The State’s Role, and Why Pardon Is Not Always Freedom
Despite the family’s central role, the state is not a passive bystander. A judge must oversee the trial, verify the evidence, confirm the family’s decision, and supervise the execution of whatever sentence follows. Private retaliation outside the court system is prohibited and is itself a crime.
If the family demands physical retaliation, the state monitors the process to ensure the punishment does not exceed the original harm. The offender must be physically and mentally fit, and if the condemned person is pregnant, the sentence is delayed until after the pregnancy ends. No part of the punishment is left to private administration.
Here is where the system is often misunderstood. A family’s pardon or acceptance of blood money extinguishes the private right to retaliation, but it does not necessarily end the offender’s legal jeopardy. The state retains authority to impose Tazir, a category of discretionary punishment that includes imprisonment, fines, or other penalties aimed at protecting public order. The reasoning is that a killing affects more than the victim’s family. The broader community has a legitimate interest in public safety, and a convicted killer who walks free because a family accepted payment may still pose a danger.
How often countries exercise this authority varies. Some jurisdictions routinely impose prison sentences even after a private settlement. Others treat the family’s decision as effectively final. The underlying legal principle, though, runs through the tradition: the state can act in the public interest even after the private parties resolve their claims. That is why Qisas is not a system in which a wealthy offender simply buys freedom. A settlement closes one legal channel while leaving another open.