Liz Heffernan, LLB (Dublin), LL.M. (Dalhousie), LLM & JSD (Chicago), BL, admitted New York & US Federal Bar, is an Associate Professor and Fellow at Trinity College Dublin. She was formerly a lecturer in law at University College Dublin (2001–2007), Visiting Professor at Washington and Lee University School of Law, Lexington, Virginia, USA (1995–1996 and 1999–2000), and Law Clerk at the US Court of Appeals for the 7th Circuit (1998–1999) and the US District Court for the Northern District of Illinois (1997–1998 & 2000–2001). Liz Heffernan has been teaching evidence in Irish law schools since 2001 and has published nationally and internationally on the subject. Previous publications include: Heffernan, Legal Professional Privilege (Bloomsbury Professional, 2011) Heffernan, Ryan and Imwinkelried, Evidentiary Foundations: Irish Edition (Tottel Publishing, 2008) Heffernan, Scientific Evidence: Fingerprints and DNA (First Law, 2006) Heffernan, Evidence: Cases and Materials (Thomson Round Hall, 2005)