The three-quarters non-parole rule in s 19AG of the Crimes Act 1914 (Cth) applies to conspiracy to commit terrorism offences by operation of s 11.6 of the Criminal Code, which deems references to offences to include conspiracy offences. For sentencing preparatory terrorism offences, the amateurish nature of a conspiracy and its failure to advance significantly do not substantially diminish criminal culpability, given the legislative purpose of intercepting terrorist acts at an early stage. However, the sentence should not reflect the culpability of the completed terrorist act. The maximum penalty of life imprisonment should be reserved for the worst class of case. Section 116 of the Constitution does not protect the advancement of religious causes by violence.
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