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"The advancement and changes in analytical technology have teh ability to affect the
outcomes of forensic investigations. This was clearly observed in the Azaria
Chamberlain case of the 1980s and 1990s.
On August 17, 1980, Azaria Chamberlain, a baby, was claimed to be taken by a dingo
in the Australian outback by her mother. Police were involved in an investigation
and found a stain on the front passenger seat of the Chamberlain's car. This stain
was identified as human blood with some sources alleging it to be foetal
haemoglobin, a substance present in infants up to six months of age. Subsequently,
both the Chamberlain parents were sentenced to gaol. However, over six years later,
it was discovered that tests performed on the sample blood were only initial tests
and that further tests were not conducted. In addition to this some substances
present in the blood could also have been present in outback dust.
This forensic case highlights the lack of technology at the time. For example, if
samples from the case had been stored and kept, today using current technology, a
forensic scientist could identify the source of the blood stain and convict or
acquit the Chamberlains with definitive evidence. Without this conclusive evidence,
doubt still remains over the case and we might never know what truly happened to
Azaria Chamberlain.
Today with advanced genetic technology we are generally safe from these types of
cases with the possibility of any murderers being acquited. New technology such as
genetic profiling, DNA fingerprinting and a recently discovered enzyme
phosphoglucomutase found in dried blood stains have allowed police to narrow down
potential suspects making them easier to find."
thanksyou
"The advancement and changes in analytical technology have teh ability to affect the
outcomes of forensic investigations. This was clearly observed in the Azaria
Chamberlain case of the 1980s and 1990s.
On August 17, 1980, Azaria Chamberlain, a baby, was claimed to be taken by a dingo
in the Australian outback by her mother. Police were involved in an investigation
and found a stain on the front passenger seat of the Chamberlain's car. This stain
was identified as human blood with some sources alleging it to be foetal
haemoglobin, a substance present in infants up to six months of age. Subsequently,
both the Chamberlain parents were sentenced to gaol. However, over six years later,
it was discovered that tests performed on the sample blood were only initial tests
and that further tests were not conducted. In addition to this some substances
present in the blood could also have been present in outback dust.
This forensic case highlights the lack of technology at the time. For example, if
samples from the case had been stored and kept, today using current technology, a
forensic scientist could identify the source of the blood stain and convict or
acquit the Chamberlains with definitive evidence. Without this conclusive evidence,
doubt still remains over the case and we might never know what truly happened to
Azaria Chamberlain.
Today with advanced genetic technology we are generally safe from these types of
cases with the possibility of any murderers being acquited. New technology such as
genetic profiling, DNA fingerprinting and a recently discovered enzyme
phosphoglucomutase found in dried blood stains have allowed police to narrow down
potential suspects making them easier to find."
thanksyou