The search for alleged cop-killer Dezi Freeman is still ongoing, but his wife is also the subject of an investigation as the situation continues.

Freeman is accused of gunning down two officers before disappearing into the bush, but authorities have evidence to prosecute the fugitive's wife, Amalia Freeman, for obstructing police at the time of the shooting.

Australian correspondent Murray Olds says Amalia Freeman and a 15-year-old were arrested during a raid last week, but there's been no update since.

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