article_snippet: Detective Inspector David Isherwood Detective Inspector David Isherwood told Daily Mail Australia that Mr Sharpleywas not the owner of a registered firearm', but would not release any other information about the gun used to kill the two adults .
article_snippet: The owner of the high-calibre gun used to kill both adults, which was found lying on a bed, has also been an unclear aspect of the case.
article_snippet: Detective Inspector David Isherwood told Daily Mail Australia that Mr Sharpleywas not the owner of a registered firearm', but would not release any other information about the gun.