was it actually stated as "THE CRIME SCENE" because all my research into this does not actually say that they know where the crime scene is only where the body was located?
Do you have a link for this, because it would be interesting if it was actually reported as a crime scene??
It was definitely declared a crime scene and taped up for a week (the usual 7 day max i think):
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Police regional crime co-ordinator metro north Mark Ainsworth told the Sunday Mail that Mrs Baden-Clay was, at this stage, considered a missing person.
But the home of the Baden-Clay's at 593 Brookfield Road, Brookfield, has been locked down as a crime scene by Police.
"We have the house locked down as a crime scene and we are doing a full examination of the area and there is a crime scene warrant," he said.
http://m.news.com.au/QLD/pg/0/fi1171444.htm
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Edit - I need to get the reference (I have so many pages open atm) but in the police act it does say that a crime scene can be established at a location that is thought to have a lot of evidence re a crime, even if the crime itself occurred elsewhere.
Actually here's the NSW one - it's going to be pretty much the same
see 1(c)
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(1) A crime scene may be established on premises by a police officer if the police officer suspects on reasonable grounds that:
(a) an offence committed in connection with a traffic accident that has resulted in the death of or serious injury to a person is being, or was, or may have been, committed on the premises and that it is reasonably necessary to establish a crime scene in or on the premises to preserve, or search for and gather, evidence of the commission of that offence, or
(b) a serious indictable offence is being, or was, or may have been, committed on the premises and it is reasonably necessary to establish a crime scene in or on the premises to preserve, or search for and gather, evidence of the commission of that offence, or
(c) there may be in or on the premises evidence of the commission of a serious indictable offence that may have been committed elsewhere and it is reasonably necessary to establish a crime scene in or on the premises to preserve, or search for and gather, evidence of the commission of that offence.
http://www.austlii.edu.au/au/legis/nsw/consol_act/leara2002451/s90.html