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Human Fallability
Cheng Jie CHIKYi Shin LEEWei Zheng TEOEugene TOH
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Definition
• fal·li·ble – The likelihood of making errors– i.e. the possibility of mistaken conviction in court.
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Case study #1: Claude Jones
• Ambiguity of evidence– Hair found at crime scene said to be Jones’s– Later tests matched it with the victim
Claude Jones
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Case study #2: James Bain
• Discrimination– Racial/religious prejudice
• Jailed for life because of eyewitness misidentification
• Request for DNA tests denied for 8 years
James Bain
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Case study #3: Ismil Kadar
• Singapore (July 2011)• Mentally disabled defendant (IQ 73)– Police did not follow proper procedure, and
defendant did not realise• Sentence overturned after 6 years by an
appeal court
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Case Study #4: Timothy Hennis
• Wrongful Exoneration• 1st Trial: Convicted guilty• 2nd Trial: Exonerated after a retrial– Fight to prove ‘innocence’ was portrayed in a book
and a movie• 3rd Trial: Convicted again due to DNA tests on
semen sample taken from victim
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The End
• Any questions?
(Note to Eugene & Yishin, there is a link to each of the articles in the notes of the ppt. )