Expert Witness Journal Issue 67 June/July 2026 - Flipbook - Page 113
Working across both areas requires the same
scienti昀椀c discipline in every case. The value of
forensic biology lies in objective analysis, careful
review and clear reporting. The role of the forensic
scientist is to assist with the interpretation of
the evidence, explain its signi昀椀cance within the
case context, and identify limitations where they
exist. This is particularly important in criminal
proceedings, where the way forensic evidence is
presented can have a profound e昀昀ect on how it is
understood by those making legal decisions.
Their work does not stop at the point of analysis.
It also involves reviewing evidence in detail,
considering the reliability and signi昀椀cance of
昀椀ndings, identifying issues that may require
further scrutiny, and presenting conclusions in a
clear and balanced way that can be understood by
investigators, legal teams and the court.
A second opinion on biological evidence may
identify points that require clari昀椀cation, highlight
where further work may be needed, or bring a
more measured interpretation to a 昀椀nding that has
been expressed too broadly. This is one reason why
independent review remains so important. In some
cases, it can also help ensure that the evidential
signi昀椀cance of biological material is properly
explored where it may otherwise be overlooked.
Forensic biology also poses wider questions around
case strategy and evidence review. Biological
昀椀ndings are often considered alongside other
types of forensic evidence, including witness
accounts, timelines and digital material. The
forensic biologist therefore needs to understand
not only the laboratory science, but also how that
science 昀椀ts within the broader evidential picture.
A 昀椀nding that appears compelling in isolation may
require more cautious interpretation once the wider
circumstances are considered.
Forensic Access has long supported legal
professionals, investigators and organisations with
independent forensic expertise across a range of
disciplines, and the biology team forms an important
part of that o昀昀ering. The team’s role is not limited to
laboratory science alone. It includes critical review
of evidence, interpretation of results, assessment of
case circumstances, preparation of expert reports
and, where needed, giving of evidence in court.
Independent Review and
Expert Interpretation
The experienced forensic scientists at Forensic
Access can play an essential role in the review and
interpretation of active cases and cold cases. They
can provide feedback from a holistic perspective
beyond their own discipline, to the potential wider
forensic opportunities which may have not been
available at the time, or potentially even missed at
the 昀椀rst time of asking.
EXPERT WITNESS JOURNAL
The combination of technical expertise and practical
casework understanding is particularly valuable in
complex criminal matters. Biological evidence can
carry considerable weight, but it must always be
interpreted with care. The presence of DNA does
not automatically answer every question about how
it came to be there or what conclusions can properly
be drawn from it. The recovery of body 昀氀uid may
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