Law_of_Evidence_in_Kenya
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Opinion evidence is not binding to the court but it should be considered with other evidence in
reaching the final decision by the court.
An expert is called upon to assist the court in matters that the court is not too well equipped to
make a decision on. The expert does not take the role of the court and so the courts should not
abdicate their responsibility to the experts.
In Kit smile Mugisha v Uganda 76 , the court stated that expert evidence is just opinion and
should not take the place of substantive evidence. The court only decides an issue upon such
assistance which the expert offers. The court forms its own opinion on the subject matter at hand.
In the case of Hassan v Salum 77 it was opined that the court should not rely on expert evidence
as they may also make mistakes. This way, the court is not bound by expert opinion
Section 49 provides that facts not otherwise admissible are admissible if they support or are
inconsistent with the opinions of experts, when such opinions are admissible.
Expert opinion is open to corroboration and or rebuttal. If there are conflicting opinions,
resolution of the conflict or acceptance of one expert opinion in preference to that of the other is
the courts responsibility.
EVIDENCE OF OPINION ON MATTERS NOT CALLING FOR EXPERTISE IS
GENERALLY EXCLUDED.
If on the proven facts a judge can form their own conclusions without help then the opinion of an
expert is unnecessary.
In the case of R v Chard 78 the court of appeal held the judge to have rightly excluded medical
evidence concerning the intention, at the material time, of someone charged with murder, where
there was no question of his being insane or suffering from diminished responsibility. A judge is
as competent as a psychiatrist to form an opinion about the past intention of a normal man.
76 Criminal appeal ,no. 78 of 1976
77 (1964) EA 172
78 (1971)