Does the standard of reasonable doubt apply to a piece of evidence?

Nova Scotia, Canada


The following excerpt is from R. v. O’Brien, 2010 NSCA 61 (CanLII):

It is now trite law that as a general proposition the standard of reasonable doubt does not apply to individual pieces of evidence (see Morin v. R. (1988), 1988 CanLII 8 (SCC), 44 C.C.C. (3d) 193 (S.C.C.); [1988] 2 S.C.R. 345). But of course, if facts essential to a finding of guilt are still doubtful, this should produce a doubt in the mind of the trier of fact that guilt has been proved beyond a reasonable doubt.

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