Unsolved Cases

CASE TYPE: Murder
LOCATION: Port Adelaide
CASE DATE: August 15, 2000

Quyen Tu Au

REFERENCE NUMBER: CM03/11

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Quyen Tu Au

Rewards up to $200,000 will be paid by the Government of South Australia, at the discretion of the Commissioner of Police, to anyone who provides information and assistance that leads to the conviction of the person or persons responsible for the suspected murder of Quyen Tu Au (and/or leading to the location and recovery of the victim’s remains).

REWARD up to $200,000

Quyen Tu Au

Missing presumed murdered

On Tuesday 14 May 2002, Quyen Tu Au, aged 31 years, was reported as a missing person by the Major Fraud Section due to concerns as to his welfare. Mr Au was an Australian citizen who was born in Vietnam. Mr Au was last seen operating an ATM card at the National Australia Bank ATM in Port Adelaide on 15 August 2000 at 12.21 p.m.

At about 12.54 p.m. the same date Mr Au contacted a friend using his mobile telephone. This is the last known contact that Mr Au had with any family or friends.

At the time of his disappearance, Mr Au was being sought by police in relation to his suspected involvement in the theft of up to $400,000 in cash from automatic teller machines.

After his disappearance, the theft of cash from ATMs continued by people who associated with Mr Au. Some of those people have since been convicted and imprisoned for their involvement in the thefts.

Police suspect he has been murdered.

Anyone with information is asked to contact Crime Stoppers on 1800 333 000, on-line or

email an investigator