In Canada, second degree murderUCR Code 1120, and it is always prosecuted as an indictable offence. This article explains how second degree murder Canada is defined, punished, and defended in Canadian courts.
The Legal Definition
Murder, including second degree, is defined under section 229(a) of the Criminal Code as culpable homicide where the person “means to cause [the victim’s] death, or means to cause him bodily harm that he knows is likely to cause his death, and is reckless whether death ensues or not.” Section 231(7) specifies that “All murder that is not first degree murder is second degree murder.”
In plain English, this means that second degree murder is an unlawful killing where the accused either intended to kill or intended to cause very serious harm that they knew could likely result in death, and they chose to proceed despite that risk. The key mental element (the mens rea) is awareness that the conduct is so dangerous it is likely to cause death, combined with a decision to act anyway, showing reckless disregard for life.
What distinguishes second degree murder from first degree murder is not the seriousness of the harm, but the absence of planning and deliberation or the absence of other special circumstances listed in the Criminal Code (such as murder of a police officer or committed during certain serious offences). Section 231(7) of the Criminal Code acts as a “catch‑all” provision: once the Crown proves the basic elements of murder under section 229, and the case does not meet the criteria for first degree, the homicide is classified as second degree murder.
Penalties & Sentencing Framework
- Severity classification: Indictable offence only (no summary option).
- Sentence upon conviction: Life imprisonment is mandatory under section 235(1).
- Mandatory minimum: No mandatory minimum term of years beyond life; however, there is a mandatory minimum parole ineligibility period of 10 years.
- Maximum penalty: Life imprisonment with parole ineligibility set between 10 and 25 years, as determined by the court under section 745(c).
Anyone convicted of second degree murder in Canada must receive a sentence of life imprisonment. The judge does not have discretion to impose anything less than life. However, the practical impact of the sentence is shaped by how long the person must wait before they can even apply for parole. Under the sentencing framework, the court sets a parole ineligibility period between 10 and 25 years, taking into account factors such as the offender’s background, the brutality of the offence, the victim’s vulnerability, and any aggravating or mitigating circumstances identified in the evidence.
Unlike some other serious offences, there is no separate summary or hybrid mode of proceeding for murder. Second degree murder is always prosecuted by indictment, reflecting its status as one of the most serious crimes in Canadian law. The life sentence is automatic once guilt is established. The real sentencing debate therefore focuses on:
- How close to the 10‑year minimum or 25‑year maximum the parole ineligibility period should be set, and
- Whether multiple murder sentences (if applicable) should have consecutive or concurrent parole ineligibility periods.
It is important to understand that parole eligibility does not guarantee release. After the ineligibility period expires, the offender may apply to the Parole Board of Canada, which conducts a risk‑based assessment. Victim impact statements, institutional behaviour, rehabilitation efforts, and public safety are all weighed. If parole is granted, the life sentence continues in the community under strict supervision; breach of conditions can result in return to custody.
Common Defenses
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Self-defence
Canadian law recognizes that a person may lawfully use force, even deadly force, to defend themselves or others in certain circumstances. In the context of second degree murder, an accused may argue that although they caused the victim’s death, they did so because they reasonably believed force was necessary to protect against an actual or threatened assault. The defence will focus on the proportionality of their response and whether their perception of danger and need for lethal force was reasonable based on the circumstances. If successful, self-defence can lead to a complete acquittal because the killing would not be considered “unlawful” and therefore would not qualify as murder under section 229.
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Lack of intent to cause death or bodily harm likely to cause death
To prove second degree murder, the Crown must show beyond a reasonable doubt that the accused either meant to cause death or meant to cause bodily harm that they knew was likely to cause death and were reckless whether death occurred. Where the evidence instead suggests a sudden, impulsive act without that level of foresight, the charge may be reduced to manslaughter. For example, if the accused intended only a minor assault and could not reasonably have foreseen a fatal outcome, the mental element for murder under section 229(a) is not met. Defence counsel will closely analyze the nature of the blows, the weapon (if any), prior threats, and the accused’s statements to argue the accused did not possess the specific murderous intent or knowledge that death was a likely result.
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Not proven beyond reasonable doubt (including causation and foresight)
In every second degree murder prosecution, the Crown bears the burden of proving all essential elements beyond a reasonable doubt. This includes not only the accused’s intent and recklessness, but also causation—that the accused’s actions were a significant contributing cause of death. The defence may raise doubt about whether the victim’s death was actually caused by the accused’s conduct (for instance, due to intervening medical complications or actions by third parties), or whether the accused could reasonably have foreseen death as a likely consequence of their actions. Through cross-examination of expert witnesses, challenging forensic evidence, or pointing to inconsistent eyewitness accounts, the defence seeks to establish a reasonable doubt such that the jury (or judge) cannot be sure that the legal threshold for murder under sections 229 and 231(7) is met. If doubt remains about intent, recklessness, or causation, the result may be an acquittal or a conviction for a lesser offence such as manslaughter.
Real-World Example
Consider a situation where two strangers get into a heated argument in a crowded bar. The dispute escalates quickly; in a surge of anger, one person grabs a heavy glass bottle and strikes the other in the head with significant force. The victim later dies from a traumatic brain injury. There was no plan in advance to kill the victim, and no evidence of careful preparation or lying in wait. Nonetheless, the nature of the blow and the use of a heavy object against a vulnerable part of the body may lead a court to conclude that the offender either intended to cause death or, at minimum, intended to cause bodily harm that they knew was likely to cause death and was reckless whether death ensued. In these circumstances, the homicide is likely to be prosecuted as second degree murder rather than manslaughter because of the level of force and the obvious risk of fatal consequences. The police would treat the incident as a major crime scene, seize the bottle as an exhibit, obtain surveillance footage, interview witnesses, and consult forensic pathologists. At trial, the court would examine whether the accused’s mental state at the time—anger, intoxication, or panic—negates murderous intent or simply provides context for a spontaneous but still intentional and extremely dangerous act.
Record Suspensions (Pardons)
Because second degree murder is one of the most serious offences in Canadian criminal law and always results in a life sentence, access to a record suspension (commonly referred to as a pardon) is very limited and strictly regulated. For this offence, an individual is ineligible to apply for a record suspension until they have completed at least 10 years of their parole ineligibility period. In practical terms, this means there will be a very long gap between the date of conviction and any potential eligibility to seek relief from the continuing impact of the criminal record. Even once the statutory waiting period has passed, the Parole Board of Canada will assess the application carefully, considering the gravity of the original offence, the applicant’s conduct in custody and in the community, and any ongoing risk to public safety. The seriousness of second degree murder and the lifelong nature of the sentence mean that many individuals will never obtain a record suspension, and the conviction will continue to appear on vulnerable sector and other enhanced checks indefinitely.
Related Violations
- First Degree Murder
- Manslaughter
- Criminal Negligence Causing Death