1. Senior Lecturer, Faculty of Law, University of Technology Sydney. The author would like to thank Belinda Baker, Jean Edwards and Michael Strutt who read draft versions of this paper and provided extremely helpful comments. She would also like to thank Dr Brian McDonald and Dr John Buckleton for providing source material and scientific clarification. Finally, she would like to express gratitude to Jeremy Gans and Michael Strutt for their ongoing assistance and inspiration concerning ‘all things DNA’.