Cold cases
Can be reopened and re-investigated
Evidence properly preserved
DNA databases
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Cold cases
DNA of known criminals
DNA from old crimes
DNA from newly committed crimes
Check against databases
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Lesley Molseed
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Lesley Molseed, 1975
Sexually assaulted
Stabbed to death
Body left out on the
Yorkshire moors
Lesley Molseed
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Stefan Kiszko
Innocent
Wrongfully imprisoned
16 years
Stefan Kiszko
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2006
Extracted DNA
Match to Ronald Castree
Charged with the sexual assault
Ronald Castree
and murder of Lesley Molseed
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Problems
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Most of the original witnesses are dead
Crime occurred over 30 years ago
Ronald Outteridge
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Problems
Is there proof that the sexual assault and
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murder were done by the same person?
 To do that it would be necessary to prove that
the semen was deposited during the murder of
the little girl and I found no evidence to show that
was the case. It might have been, it might not."
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Problems
Lesley Molseed abducted, sexually assaulted,
released, abucted again, and then murdered
Reasonable?
Ronald Castree convicted and sentenced
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