**Juanita Joan Nielsen** was a wealthy [journalist](Media "wikilink")
and [environmentalist](List_of_Environmentalists "wikilink") based in
Sydney, [Australia](Australia "wikilink"). She dissipeared in 1975 in
mysterious circumstances, and is suspected to have been
[murdered](List_of_Assasinations "wikilink") for her attempts to expose
police corruption and support for the [Green
Bans](Green_Bans "wikilink").