Professor Gillespie’s main research interests relate to cybercrime, particularly in respect of child sexual exploitation. Much of his work relates to child pornography, child grooming and child solicitation but also includes broader forms of cybercrime.
Professor Gillespie also has research interests in legal systems and evidence, particularly covert surveillance. Professor Gillespie has been called to act as an expert advisor to the UN, Council of Europe, EU and prosecutors & the judiciary from around the world. He has also advised the Home Office, Ministry of Justice and Sentencing Council.