Need a forensic DNA expert for your case?

Preliminary review :
Preliminary DNA Review
- What, if anything, does the DNA evidence actually establish?
- Are there scientific limitations or assumptions that affect weight?
- Does the evidence support the alleged activity, or only presence?
- Are alternative explanations scientifically plausible?
- Is the DNA capable of supporting the prosecution narrative?
- Does the evidence warrant further expert involvement?
- Helen Roebuck - Principal Forensic Scientist
- helen@roebuckforensics.com.au
- Mobile: 0493 726 760
- Office: 02 8089 0226
- Postal address: GPO 390 Sydney NSW 2001
Contact Us

‘Her professionalism, dedication and expert knowledge were instrumental in the presentation of the defence case’.
Gabriel Chipkin
Barrister
‘Very professional, organised, and most importantly a very impressive witness. I would not hesitate to refer her for any DNA related matters’.
Jane Murray
Solicitor
'Her evidence in Court was instrumental in establishing the deficiencies in the Crown's DNA case, and in obtaining a great outcome for our client’.
Simon Kenny
Barrister
‘Her work in unpicking and explaining the intricacies of STRmix including who was and was not a contributor to a complex DNA profile was amazing’.
Gilbert Aitken
Barrister
‘Helen’s comprehensive report resulted in the prosecution determining not to adduce the DNA evidence’.
Andrew Culshaw
Barrister
‘Helen's report was the " final piece of the puzzle " and without it we would not have been able to prove our case’.
Michael Lee
Lawyer
‘The first person I called was Helen to thank her for preparing me for a successful cross-examination’.
Maeve Curry
Barrister
‘’Helen was an excellent DNA expert witness in a trial I ran in the Supreme Court of the Northern Territory’.
Gabriel Chipkin
Barrister
‘Opinion was detailed, concise and persuasive. I highly recommend Helen Roebuck’.
Amelia Ramsey
Lawyer
‘I worked closely with Helen during the lead up to one of South Australia's longest running murder trials during 2021’.
Gilbert Aitken
Barrister
'I’d absolutely recommend seeking her guidance and opinion'
James Leaver
Samuel Griffith Chambers