Identité

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Cette page a été mise à jour ou révisée de manière substantielle pour la dernière fois January 2021. (Rev. # 2124)

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General Principles

Identity of the accused person as the culprit is always a required element to be proven for a given offence. As with all essential elements, it must be proven on a standard of beyond a reasonable doubt.

It can be proven by way of several methods, none of which are necessarily determinative. Those include:

• first-hand eye-witness who observes the accused as person committing the offence
• exclusive opportunity
• security system photographs/video
• voice identification
• finger prints
• foot prints
• DNA

All of these methods amount to direct or circumstantial evidence that allow the trier-of-fact to be satisfied that the person who committed the offence was actually the accused person on trial.

Section 6.1 permits any witness to "give evidence as to the identity of an accused whom the witness is able to identify visually or in any other sensory manner."

Charter Issues

There is some support for the possibility that identity evidence can be the subject of an order for exclusion of evidence under s. 24(2) of the Charter when a Charter violation is found.

Appellate Review

The essential element of identity is a question of fact. The judge must have had evidence that "could logically and reasonably draw the inference" of identity.

Eyewitness Identification

• Eyewitness Identification

Other Methods of Proving Identity

Proving Identity of Online Communications

It rare that a person will identify themselves by their own name. Accordingly, the identity of a person communicating online must be done by inference in most cases.

A sender of an email can be identified using evidence of accessibility to the sender's computer and accessibility to sender's account, including whether the accused's login information was used to send it. This holds true for communication by social media as well.

In certain cases, it is possible to identify the person behind a particular user account by considering the information provided in the account as well as the content of the communications.

The presence of a wireless, by itself, cannot lead to the inference that another person may be responsible for the internet communication.

Identity of Sender of Cell Phone Text Messages

Proving the identity of the sender and receiver of text messages is part of the authentication process to admit them.

Evidence of messages from a name consistent with the accused real name can be used as circumstantial evidence of the identity of the sender.

Finger Prints

Fingerprint evidence should be accompanied by some form of evidence supporting a "temporal connection" it make out a circumstantial case.

Police Identification of Arrested Person

Adverse Inference

Where defence intend to argue that the person in court is not the person who was arrested, the judge may make a negative inference from the accused’s counsel failure to put the lack of evidence the arresting officer at trial.

A refusal by the accused to let anyone look at his arm for identifying features can permit an adverse inference supporting proof of identity.

Admissions by Counsel

The court may rely on the in-court utterances of counsel identifying the accused in the court by their name.

Court Records

A court is entitled to take judicial notice of all official documents on file.

A promise to appear or appearance notice that includes the name and address of the accused can be used to establish identity if there is evidence that the accused was arrested and released on one of those two release mechanisms.

Voice Identification

When determining if the voice on a wiretap matches that of the accused, the judge may consider the accused's voice during testimony and compare it with the voice recorded.

While a non-expert may give testimony on identifying a voice, there are several factors that determine the weight that should be given:

1. Is there direct or circumstantial evidence that the speaker is, in fact, the appellant?
2. Are the events following the conversations in which the appellant was identified consistent with the speaker being the appellant? For instance, in the case on appeal, a meeting was arranged but the appellant never carried through with it.
3. Is there some peculiarity or distinctiveness to the appellant's voice that would make it more readily identifiable? Are there "internal patterns" or patterns of speech, distinctly associated with the appellant?
4. Did the speaker disclose facts known by the appellant or, more compellingly, known only to the appellant?
5. Are the "context and timing" of the conversation consistent with the theory that the speaker is the appellant? Or, on the other side of the coin, was the identity of the speaker tainted by the witness's expectation that he would be the appellant?
6. Are there distinctive or distinguishing features of the voice?
7. Did the party to the communication identify him or herself?
8. Did the party to the communication provide information that would allow the listener to identify him or her?
9. Was there evidence of physical surveillance at the same time as the private communication to allow the speaker to be identified?
10. Did the witness hear the voices under the same conditions, or was the emotional state different in each situation?
11. What is the length of time during which the witness was able to hear the voice?
12. Was there any reason for the witness to focus on the voices?
13. What was the condition of the witness when he or she heard the voices, alert or groggy?
14. What was the length of time between the times the witness heard the voices?
15. Were there any contradictions in the description given by the witness - did the witness testify that the accused spoke with an accent when he or she did not?
16. Did anything compromise the identification process - was the witness assisted in identifying the voice, or was the witness' opinion tainted by the expectation that the voice was that of the accused?
17. Is the witness' opinion contradicted?

The judge is entitled to use his own senses to evaluate the recorded voices to determine identity.

It is not necessary to prove that the voice is that of the accused beyond a reasonable doubt as an essential element.

Frailties

Similar to eye-witness identification, voice identification suffers from the frailty that the witness may misidentify the accused and should be treated with extreme caution.

A jury should be cautioned about the frailties of voice identification particularly in matching voices. Concerns include:

• risk of relying on their own untrained ears, or those of a witness, none of whom had the benefit of equipment or training that would be available to an acoustic phonetician;
• the fact that witness confidence in voice identification does not make the identification reliable;
• the importance of considering the length and quality of the voice samples;
• the availability of high quality non-distorting playback systems; and,
• if applicable, the difficulties inherent in cross-racial voice identification

Proof of Age

Any testimony by a person as to their own date of birth is sufficient evidence to prove their age.Likewise, any testimony of a parent as to the age of their child will be admissible to establish that child.

Otherwise, age can be proven by any number of means such as birth certificate, baptismal certificate, or material hospital record.

Any other reliable evidence can also be considered. Including the observations of the judge of the person's appearance.

See Also

• Identity (Cases)