Making Factual Allegations or Suggestions to Crown Witnesses in Cross-examination that the Defence may not be in a Position to Prove
There is
a general ethical requirement that defence counsel may properly make factual
allegations or suggestions to Crown witnesses in cross-examination that they
may not be in a position to prove, provided that they have a “good faith” basis
for such suggestions, and that their questions are not simply based on
speculation, innuendo, or wholly unreliable information.
See R. v Abdo, 2016
ONSC 7240 (CanLII), at para 13
In R. v. Lyttle, 2004 SCC 5
(CanLII), at paras. 47-48, the Supreme Court of Canada confirmed that a
cross-examiner may pursue any hypothesis that is honestly advanced in good
faith on the strength of reasonable inference, experience or intuition.
More specifically, the court, indicated that:
(1) counsel may properly frame questions
based upon information “falling short of admissible evidence” provided that the
suggestions are based upon what counsel “genuinely” thinks is possible based
upon “known facts or reasonable assumptions;”
(2) it
is “improper and prohibited” to “assert or to imply” facts in a manner “that is
calculated to mislead;” and
(3) a cross-examiner should not put
suggestions to a witness “recklessly” or advance assertions “that he or she
knows to be false.”
See also R. v. Bencardino and DeCarlo (1973), 1973 CanLII
804 (ON CA), 15 C.C.C. (2d) 342 (Ont.C.A.), at p. 347; R. v. Wilson (1983), 1983 CanLII
229 (BC CA), 5 C.C.C. (3d) 61 (B.C.C.A.), at p. 85; R. v. Dixon (1984), 1984 CanLII
475 (BC CA), 16 C.C.C. (3d) 431 (B.C.C.A.), at pp. 451-452; R. v. Chambers (1989), 1989 CanLII
2846 (BC CA), 47 C.C.C. (3d) 503 (B.C.C.A.), affirmed,
(1990), 1990
CanLII 47 (SCC), 59 C.C.C. (3d) 321 (S.C.C.), at pp. 334-335; R. v. K.(B.), [1998] O.J.
No. 1165 (C.A.), at paras. 3-10;
R. v. Tombran (2000),
2000 CanLII 2688 (ON CA), 142 C.C.C. (3d) 380 (Ont.C.A.), at paras. 37-45.
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