Criminal Law Notebook

Lost or Destroyed Evidence

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This page was last substantively updated or reviewed May 2021. (Rev. # 76917)

General Principles

See also: Abuse of Process and Stay of Proceedings

Where evidence is in the possession of the Crown or Police, there is a duty to preserve this evidence. Where this evidence goes missing or is destroyed, it can in certain circumstances, form grounds for a stay of proceedings under s. 7 and 11(d) of the Charter. The stay is on the basis that the rights under s. 7 of the Charter to make full answer and defence and under s. 11(d) to a fair trial have been violated.

Lost Originals

There is a limited right to review original documents. Where the originals have gone missing the Crown has an obligation to explain how it went missing.[1]

Reason for Loss

The loss of evidence will not result in the breach of the duty to disclose so long as the conduct of the police was reasonable.[2]

Full Answer and Defence

Where the loss of evidence deprives the accused of an ability to make full answer and defence, such as were the evidence would have likely would have assisted in the accused to meet the case, it may be stayed as abuse of process.[3]

Notice of Destruction

Notifying the accused ahead of the destruction of property inviting inspection may cure the prejudice caused by the loss of evidence from the destruction of property.[4]

Offence-related Circumstances

Discarding of the mouthpiece used in an alcohol roadside screening device will not violate the right to full answer and defence under s. 7 of the Charter.[5]

Lost Court Record

The loss or destruction of the recording and transcripts of a preliminary inquiry will be sufficient for an acquittal due to failure to make full answer and defence.[6]

Destruction by Third Party

Where records held by a third party are destroyed there may be a stay of proceedings.[7]

Remedy

Where the circumstances permit, a remedy for loss of evidence may include a jury instruction on the importance of the evidence lost.[8]

  1. ↑ R v FCB, 2000 NSCA 35 (CanLII), 142 CCC (3d) 540, per Roscoe JA, at pp. 547-48 (N.S. C.A.)
    R v Bero, 2000 CanLII 16956 (ON CA), per Doherty JA, at para 30
  2. ↑ R v La, 1997 CanLII 309 (SCC), per Sopinka J, at para 21
  3. ↑ R v PSL, 1995 CanLII 8939 (BCCA), per Cumming JA, at para 51("if the defence can establish that the missing evidence was of such potential importance that its destruction deprived the accused of his ability to make full answer and defence, a judicial stay of proceedings may be warranted. This threshold will be met where it is shown that the missing material would have likely assisted the defence in meeting the Crown's case.")
  4. ↑ e.g. R v Berner, 2012 BCCA 466 (CanLII), per Ryan JA - car in collision destroyed by police prior to trial. Officer sent registered mail letter to accused prior to releasing vehicle.
  5. ↑ R v Lee2010 ONSC 4117(*no CanLII links)
    R v Boylan, 2011 BCPC 235 (CanLII), per Frame J
    R v Goosen, 2014 SKQB 135 (CanLII), per Tholl J
    cf. R v Dhillon (1999), 41 WCB (2d) 48(*no CanLII links) - stay of proceedings
  6. ↑ R v MacLeod, 1994 CanLII 5243 (NB CA), 93 CCC (3d) 339 (N.B.C.A.), per Ryan JA
  7. ↑ R v Carosella, 1997 CanLII 402 (SCC), per Sopinka J - rape crisis centre destroyed nurses notes per centre's policy
  8. ↑ Hersi, supra, at para 39

Unacceptable Negligence Standard

There can only be a breach of the duty to disclose where the loss or destroyed evidence was found to due to "unacceptable negligence" [1] A reach of this duty will result in a violation of s. 7 of the Charter.[2] Additionally, it may amount to an abuse of process.[3] The only available remedy would be a stay.[4]

Not every instance where negligence that results in the loss of evidence will result in a Charter breach.[5] Nor will every case loss of evidence will infringe the accused’s right to make full answer and defence. “Owing to the frailties of human nature, evidence will occasionally be lost” [6]. The Crown must explain the loss and satisfy the trial judge that it was not due to unacceptable negligence or an abuse of process. If satisfactorily explained, the onus is on the accused to “establish actual prejudice to his or her right to make full answer and defence” [7]. The principal consideration, in the explanation, “is whether the Crown or the police (as the case may be) took reasonable steps in the circumstances to preserve the evidence” [8]

Even where it does not amount to "unacceptable negligence", there may still be a breach of section 7 of the Charter where " the loss can be shown to be so prejudicial to the right to make a full answer and defence that it impairs the right to a fair trial. " The only available remedy would be a stay.[9]

The inquiry should be upon the "reasonableness of the officer's conduct that resulted in the loss of the evidence.[10] The more obvious the importance of the evidence the greater care is expected from the officer.[11]

  1. ↑ FCB, supra
    Bero, supra, at para 30
  2. ↑ FCB, supra
    Bero, supra, at para 30
  3. ↑ FCB, supra
    Bero, supra, at para 30
  4. ↑ Bero, supra, at para 30
  5. ↑ R v Lipovetsky, 2007 ONCJ 484 (CanLII), [2007] OJ No 4135, per Kenkel J, at para 19 ("Even where there is negligence on the part of the Crown, the loss of a videotape does not automatically violate the Charter. A Charter breach is established only where the lost evidence is shown by the applicant to be relevant to the issues at trial.")
    See also R v Dulude, 2004 BCPC 524 (CanLII), [2004] OJ No 3576, per Stansfield J, at para 30
  6. ↑ La, supra, at para 20
  7. ↑ La, supra, at para 25
  8. ↑ La, supra, at para 21
    and see R v Kociuk (R.J.), 2011 MBCA 85 (CanLII), 278 CCC (3d) 1, per Chartier JA
  9. ↑ RCB, supra
    Bero, supra, at para 30
  10. ↑ R v Hersi, 2019 ONCA 94 (CanLII), per Doherty JA, at para 30
  11. ↑ Hersi, ibid., at para 30

Lost Statements of the Complainant

When considering whether a stay is appropriate for a lost statement, the Court should consider "all the surrounding background facts and circumstances of the complainant's evidence" such as:[1]

  • "the emotional or psychological status of the complainant at the time the allegations were made"
  • "the time when the complaints were made in relation to when the allegations occurred, i.e. before or after therapy"
  • "whether the investigating officers who took the statement were available for questioning"
  • "whether the complainant made other statements prior to trial that the defence can use to attack her credibility"
  • "whether the Crown concedes that proposed substitute evidence is a statement of the complainant and may be used for the purposes of cross-examination of the complainant"
  • "whether the statements that do exist appear to contain the same amount of detail as the lost statement"
  • "the extent of the complainant's present ability to recall the contents of the earlier statements"
  • "the complainant's present ability to recall the details surrounding the various alleged incidents of abuse"
  • "any apparent or potential inconsistencies in the complainant's trial testimony or between her other statements and her evidence at the preliminary hearing"
  • "whether the accused was made aware of the contents of the lost evidence before its destruction or disappearance"
  • "whether the Crown gave any undertaking to the accused at the time that matters would not proceed with the result that the accused did not retain his own records" and
  • "what other witnesses had to say at the time in support or contradiction of the complainant's allegations"

The emphasis of consideration should be on "whether other available evidence contains essentially the same information as the lost evidence".[2]

  1. ↑ R v JGB, 2001 CanLII 24101 (ON CA), per Weiler JA, at para 9
  2. ↑ R v Girou, 2016 ABQB 607 (CanLII), per Thomas J, at para 20

Lost Trial Exhibits

A "missing exhibit" that has already been described in evidence may not necessarily cause prejudice to the acccused.[1]

In a jury trial, an exhibit list after the jury had an opportunity to examine it, there may not be an impairment of full answer and defence.[2]

  1. ↑ R v Serre, 2009 ONCA 108 (CanLII), per curiam
  2. ↑ R v Waszek, 2003 CanLII 18152 (ONSC), per Cumming J

See Also

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