Criminal Law Notebook

Automatism

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This page was last substantively updated or reviewed January 2017. (Rev. # 95670)

General Principles

The defence of "non-insane automatism" is a defence available at common law.

The law treats "almost all automatisms as the product of a mental disorder leading…to an NCR-MD verdict."[1]

Automatism Defined

Automatism is "a state of impaired consciousness". This is in contrast with "unconsciousness, in which an individual, though capable of action, has no voluntary control over that action."[2] The person engages in "involuntary behaviour" such that "a person who, though capable of action, is not conscious of what he is doing. It means an unconscious involuntary act where the mind does not go with what is being done." [3]

The term "automatism" refers to the involuntary conduct that is the "product of a mental state in which the conscious mind is disassociated from the part of the mind that controls action."[4] Accordingly, automatism relates only to the actus reus of the offence as it affects the voluntariness of the accused's actions.[5]

Effect of Finding

There are two types of automatism. There is mental disorder automatism and non-mental disorder automatism. The finding of the former leads to an Not Criminally Responsible finding. The latter leads to an acquittal.[6]

An NCR verdict permits a "post-verdict dangerousness assessment of the accused" that allows the court to tailor disposition to the specifics of the case.[7]

  1. ↑ R v Luedecke, 2008 ONCA 716 (CanLII), 236 CCC (3d) 317, per Doherty JA (overturning a verdict of non-insane automatism)
  2. ↑ R v Stone, 1999 CanLII 688 (SCC), [1999] 2 SCR 290, per Bastarache J, at para 156
  3. ↑ R v Rabey, 1977 CanLII 48 (ON CA), 37 CCC (2d) 461, per Martin JA at 155 to 156
  4. ↑ R v SH, 2014 ONCA 303 (CanLII), 310 CCC (3d) 455, per Watt JA, at para 63
    Luedecke, supra, at para 54
  5. ↑ SH, supra, at para 63
    R v Alexander, 2015 BCCA 484 (CanLII), 330 CCC (3d) 417, per Stromberg-Stein JA, at para 28 ("A defence of automatism amounts to a denial of the voluntariness component of the actus reus of the offence. A person who is unable to control whether to perform an act, or how to perform an act, cannot be said to have committed the act voluntarily. Conduct which is not voluntary cannot be criminal.")
  6. ↑ Alexander, ibid., at para 29
    Luedecke, supra
  7. ↑ Luedecke, supra

Burden and Standard of Proof

The burden is on the accused to prove involuntariness on a balance of probabilities.[1]

The accused has the evidentiary burden to adduce evidence to raise the issue for the court and the legal burden of proving the fact alleged.[2]

The defence must provide confirming psychiatric evidence. It must establish more than the claim that involuntariness is "plausible."[3]

  1. ↑ R v Stone, 1999 CanLII 688 (SCC), [1999] 2 SCR 290, per Bastarache J, at paras 171, 179 (“The foregoing leads me to the conclusion that the legal burden in cases involving claims of automatism must be on the defence to prove involuntariness on a balance of probabilities to the trier of fact.”)
  2. ↑ R v SH, 2014 ONCA 303 (CanLII), 310 CCC (3d) 455, per Watt JA, at para 65
    Stone, supra, at paras 173, 182
  3. ↑ Stone, supra, at p. 187
    R v Enns, 2016 ONSC 2229 (CanLII), per Fregeau J, at para 20

Requirement

In order to establish automatism, it is necessary for the defence to 1) claim that he acted involuntarily and 2) adduce expert evidence to support the involuntariness claim.[1]

The judge must then take a two-step inquiry. First, the judge must "determine whether the accused person has established a proper evidentiary foundation for a defence of automatism."[2] Second, the judge must determine which form of automatism should be left with the trier of fact."[3]

  1. ↑ R v SH, 2014 ONCA 303 (CanLII), 310 CCC (3d) 455, per Watt JA, at para 69
    R v Stone, 1999 CanLII 688 (SCC), [1999] 2 SCR 290, per Bastarache J, at paras 183 to 184
  2. ↑ R v Alexander, 2015 BCCA 484 (CanLII), 330 CCC (3d) 417, per Stromberg-Stein JA, at para 30
  3. ↑ Alexander, supra, at para 30

Evidentiary Burden

The evidentiary burden requires the admission of expert evidence that should be in the form of "psychiatric or psychological evidence."[1] It should establish:[2]

  1. evidence of a documented medical history of automatistic-like dissociative states;
  2. evidence of a bystander about the appearance of the accused before, during and after the alleged involuntary conduct (para 190); and
  3. evidence of motive or absence of motive
  1. ↑ R v SH, 2014 ONCA 303 (CanLII), 310 CCC (3d) 455, per Watt JA, at para 70
    R v Stone, 1999 CanLII 688 (SCC), [1999] 2 SCR 290, per Bastarache J, at para 192
  2. ↑ SH, supra, at para 71

Legal Character of Automatism (Mental Disorder vs Non-Mental Disorder)

See also: Not Criminally Responsible Due to Mental Disorder

Where the evidentiary burden has been made out to the satisfaction of the trier of fact, the judge must make a determination of the legal characterization of automatism.[1] That is, the judge must then determine "whether mental disorder or non-mental disorder automatism should be left with the trier-of-fact."[2]

In a jury trial, the judge must decide whether automatism should be put to the jury.[3]

The law recognizes two classes of automatism. There is mental disorder automatism and non-mental disorder automatism.[4] The former requires a "mental disorder" and the latter does not.[5]

The analysis should begin from the premise that automatism originates from a mental disorder..[6]

The courts should adopt a "holistic approach" to determine if the condition amounts to a disease of the mind.[7] This will involve consideration of three factors:[8]

  1. internal cause factor;
  2. continuing danger factor; and
  3. other policy concerns.

It is only in the "rare" cases that the form of automatism will be a non-mental disorder in nature.[9] The form of non-mental disorder automatism will usually occur when all the following are true:[10]

  1. the accused suffered a single incident of automatism;
  2. it was triggered by a specific external event;
  3. the trigger is unlikely to reoccur; and
  4. the vent could have caused a dissociative state in a normal person.

The question of which form of automatism is available is a question of law and so can only be decided by the judge.[11]

  1. ↑ R v SH, 2014 ONCA 303 (CanLII), 310 CCC (3d) 455, per Watt JA, at para 72
  2. ↑ R v Enns, 2016 ONSC 2229 (CanLII), per Fregeau J, at para 21 ("If the accused has laid a proper foundation for the defence of automatism and satisfied the evidentiary burden, the trial judge must then determine whether mental disorder or non-mental disorder automatism should be left with the trier of fact")
    R v Luedecke, 2008 ONCA 716 (CanLII), per Doherty JA
    Stone, supra, at p. 193
  3. ↑ SH, supra, at para 72
  4. ↑ SH, supra, at para 73
  5. ↑ SH, supra, at para 73
  6. ↑ SH, supra, at para 74
  7. ↑ R v Alexander, 2015 BCCA 484 (CanLII), 330 CCC (3d) 417, per Stromberg-Stein JA, at paras 36 to 38
  8. ↑ Alexander, supra, at para 38
    Stone, supra, at p. 203
  9. ↑ Stone, supra, at p. 199
    Alexander, supra, at para 36
  10. ↑ Alexander, supra, at para 37
    Enns, supra, at para 63
  11. ↑ Alexander, supra, at paras 32 to 33
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