In this undated photo released by the NSW Police, Christine Armstrong leans against a building at an unknown location. A shark killed Armstrong, 63, Thursday, April 3, 2014, as she swam with a group of swimmers off a popular Australian east coast beach, police said. (AP Photo/NSW Police, HO) EDITORIAL USE ONLY

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In this undated photo released by the NSW Police, Christine Armstrong leans against a building at an unknown location. A shark killed Armstrong, 63, Thursday, April 3, 2014, as she swam with a group of swimmers off a popular Australian east coast beach, police said. (AP Photo/NSW Police, HO) EDITORIAL USE ONLY