Submitted on: 19 May 2013.
Revised on: 15 September 2013.
Accepted on: 10 November 2013.
___________________Journal of Forensic Practice---EMERALD GROUP PUBLISHING LTD
Submitted on: 06 April 2008.
Revised on: 09 May 2008.
Accepted on: 15 June 2008.
___________________Journal of Forensic Practice---EMERALD GROUP PUBLISHING LTD
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