Mo was admitted as a solicitor in 2007 and after a short period in commercial practice began her doctoral research in 2009. Funded by the Scottish Institute for Policing Research she examined the policing of money laundering in a cross-jurisdictional context. In 2010 she was a founding member of the UACES Policing and European Studies Network which provided a forum of knowledge exchange for academic researchers, police practitioners and policy makers engaged in policing cross-border crime or crimes of cross national concern. In 2019 she was appointed to the the Scottish Graduate School of Arts and Humanities (SGSAH) Discipline + Catalyst for Law. She is a founding member of the Scottish Law and Innovation Network (SCOTLIN) and member of the Centre for Research into Information, Surveillance and Privacy (CRISP). And, in 2021 she joined the Review Board of the Journal of Legal Research Methodology. Dr Egan continues to research in the field of justice and home affairs with a particular interest in financial crime, inter-agency cooperation in policing, privacy and the interplay between state and non-state agencies in the delivery of justice and the development of legal research methodologies.