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Crimes Mental Impairment consultation paper.pdf - Victorian Law ...

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5<br />

Process for establishing the defence of mental impairment<br />

5.85 The process for establishing the defence of mental impairment is set out above from<br />

[5.24]. As discussed, the mental impairment defence can be raised in the Supreme Court,<br />

the County Court or the Magistrates’ Court. In this section, the Commission will look at<br />

issues regarding the process for establishing the defence of mental impairment.<br />

5.86 As part of this review, the Commission has also been asked to consider whether the<br />

Magistrates’ Court should be permitted to make supervision and other orders in relation<br />

to a person found not guilty because of mental impairment and this will be discussed in<br />

Chapter 6.<br />

Issues in relation to the process for establishing the defence of mental<br />

impairment<br />

5.87 In its preliminary research, the Commission has identified some possible issues regarding<br />

the process for establishing the defence of mental impairment. These primarily relate<br />

to the process for establishing the defence of mental impairment in the higher courts<br />

(the Supreme Court and County Court). The Commission would like input on the issues<br />

identified and any other issues that may exist regarding the operation of the process in<br />

any court level, including:<br />

• the role of lawyers in the process for establishing the defence of mental impairment<br />

• the role of experts in the process for establishing the defence of mental impairment<br />

• jury involvement in the process and consent mental impairment hearings.<br />

The role of lawyers in the process for establishing the defence of mental<br />

impairment<br />

5.88 As discussed above, the defence of mental impairment can be raised at any time<br />

throughout the trial by lawyers.<br />

5.89 <strong>Law</strong>yers representing the accused person may face ethical issues in deciding whether<br />

to raise the defence of mental impairment. If the defence of mental impairment is<br />

successful, the accused person may be made subject to an onerous supervision regime<br />

for an indefinite period of time under the CMIA. <strong>Law</strong>yers need to have a thorough<br />

understanding of the CMIA regime when providing advice to clients who may be eligible<br />

for the defence, to ensure the accused person appreciates the legal consequences.<br />

5.90 Ethical issues may arise in cases where unfitness of the accused person is also in question<br />

and the accused person is unable to give instructions to their lawyer. Ethical issues arising<br />

over whether to raise the issue of unfitness are discussed in Chapter 4.<br />

5.91 The outcome in terms of sentence is a key factor in the advice to and decision of an<br />

accused person in facing a charge (that is, whether to plead or raise the defence). Some<br />

accused persons may base their decision on whether to raise the mental impairment<br />

defence on advice about the consequences of the finding. If a lawyer advises an accused<br />

person that they are likely to receive a definite sentence within a particular range if they<br />

plead guilty, they may choose to do this over facing an indefinite supervision order.<br />

101

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