Unsolved
$100,000 reward offered for missing Adelaide girl 

At about 10.30am on Wednesday, 7 October, 1992 12-year-old Rhianna Brenda Ann Barreau, of 47 Wakefield Street, Morphett Vale, Adelaide, SA left her home and walked to the Reynella Shopping Centre where at 11.19am she purchased a Christmas Card from a newsagency. Between 12.05pm and 12.30pm the same day, she was seen walking through the grounds of the Morphett Vale High School and the Stanvac Primary School carrying a small bag. At about 4.00pm the same day she was seen standing near the junction of David Terrace and Acre Avenue, Morphett Vale unaccompanied. 

At the time of her disappearence Rhianna was described as 158 cms, 44 kgs, slim build, hazel eyes, fair complexion, light brown to blonde hair below shoulder length. Wearing purple shorts, green t-shirt with words Hypercolour across front, white socks and white Lynx sneakers with pink tongues.

Rewards
In July 2000 South Australian Commissioner of Police, M.A Hyde released the following statement: "Notice is hereby given that a reward of up to One Hundred Thousand Dollars ($100,000) will be paid by the Government of South Australia, at the discretion of the Commissioner of Police, to any person or persons who give information leading to the apprehension and conviction of the person or persons responsible for the murder of Rhianna Brenda Ann Barreau."

Enquiries have failed to establish her whereabouts, and it is suspected that she has been murdered. 

If you have any information regarding this matter please contact CrimeStoppers 1800 333 00

Information Source: Crimenet