NEWS.com.au | Convicted killer Arthur Greer claims innocence NEWS.com.au But in a case that has divided his family and prompted calls for a new trial, convicted killer Arthur Greer claims he is innocent and that he was jailed for a crime he did not commit. Greer, who has a shocking criminal history, told 60 Minutes there ... 60 Minutes: Fresh evidence suggests one of WA's longest-serving murderers may be innocent 35 years ago, Arthur Greer killed 14yo Sharon Mason. He still maintains his innocence. |