Police revealed they are ' vigorously perusing ' paedophile ring ##tones . Parents of William Tyrrell have released a plea for his safe return . ' We ca n't look like this , ' mother said as search began its seventh month . investigators say search of NSW bushland is reaching the conclusion stage . Divers were brought in to investigate a murky dam in a bush ##land . William Tyrrell disappeared from his home in Kendall , NSW in march 2014 .
Police revealed they are 'vigorously perusing ' paedophile ring theory . Parents of William Tyrrell have released a plea for his safe return . 'We ca n't live like this , ' mother said as search entered its seventh month . Police say search of NSW bushland is reaching the conclusion stage . Divers were brought in to search a murky dam in a bush reserve . William Tyrrell vanished from his home in Kendall , NSW in September 2014 .