The report, which the ACT government has not yet released publicly, found Shane Drumgold breached his duties on multiple occasions

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Police had enough evidence to charge Bruce Lehrmann with the rape of Brittany Higgins, but the ACT director of public prosecutions failed in several key duties and made “untrue” statements before a court, an inquiry has found.

Sources with knowledge of the findings of the inquiry, which was established by the ACT government to investigate Lehrmann’s prosecution, confirmed to Guardian Australia that it found the charge was right to proceed.

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