The head of Victoria Police's ethical standards body has quit after being linked to racist YouTube comments and after making inappropriate remarks about former colleagues.
Brett Guerin, the assistant commissioner and professional standards command boss was last week stood down and referred to the state's anti-corruption commission.
He's being investigated for using the alias "Vernon Demerest" to make "crude and coarse" comments about people, including former police commissioner Christine Nixon.
Mr Guerin last week publicly apologised for making sexually inappropriate remarks on a website about Ms Nixon and ex-police union boss Paul Mullett.
Victoria's Police Commissioner Graham Ashton says his behaviour is completely unacceptable.
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