[forensic-science] Judges' decision puts NC SBI in tough spot over former agent Deaver

 

Judges' decision in Peterson case puts SBI in tough spot over former agent
Deaver

54, not 500

Michael Peterson was convicted of the murder of Kathleen Peterson, a Nortel
Networks executive who was found dead at the bottom of a bloodstained
staircase in their Forest Hills mansion in 2001. Jurors have said Deaver's
testimony was crucial to their deliberations and verdict.
At the 2003 trial, Hudson allowed Deaver to testify as an expert witness
in bloodstain pattern analysis. Regular witnesses testify about facts.
Expert witnesses can give opinions, and Deaver testified about his experiments
and analysis of bloodstains in the staircase and on Peterson's clothes. His
opinion: Michael Peterson murdered his wife on the staircase.
To support his expert qualifications, Deaver testified that he had worked
on 500 bloodstain pattern analysis cases, had written reports in 200 cases
and testified in 60.
The SBI searched its records and found 54 bloodstain cases that Deaver
worked on.
Deaver testified that before the Peterson case he had worked on 15 cases
where a fall allegedly occurred. SBI records contained none, according to Ron
Guerette, a private investigator who reviewed all of Deaver's bloodstain
cases for Peterson's legal team.
Deaver testified that his methodology and experiments were consistent with
other experts. At the recent hearing, three national experts said Deaver's
work in the Peterson case was unscientific and unacceptable.

Read more:
_http://www.newsobserver.com/2011/12/18/1717174/judges-decision-in-michael-peterson.html#ixzz1gtreD6VU_
(http://www.newsobserver.com/2011/12/18/1717174/judges-decision-in-michael-peterson.html#ixzz1gtreD6VU)

Dr. Maurice Godwin

[Non-text portions of this message have been removed]

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