Dezi Freeman search has hit the one-month mark. How long might police continue the manhunt?

Hunt for suspected Porepunkah shooter cannot go on for infinitum', one retired detective says. It has to have a line in the sand somewhere'

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As the search for fugitive Dezi Freeman hits the one-month mark, questions are growing about when police may draw a line in the sand" and call it quits.

The suspected Porepunkah police killer, also known as Desmond Filby, has been on the run since 26 August, when he allegedly shot and killed two officers who were part of a group executing a search warrant at his residence in Victoria's north-east.