Jane M. McCarthy is a Consultant Psychiatrist at Sussex Partnership NHS Foundation Trust, Honorary Associate Professor in Psychological Medicine at University of Auckland, New Zealand and Visiting Senior Lecturer at the Department of Forensic and Neurodevelopmental Sciences, King's College London, UK. She has over twenty-seven years of experience as a psychiatrist working in the UK and New Zealand with people with neurodevelopmental disorders presenting across forensic services, including prisons and courts. She has also held a number of national and international roles, including Clinical Advisor on Adults with Autism for the Department of Health, England. Regi T. Alexander is a Consultant Psychiatrist at Hertfordshire Partnership University NHS Foundation Trust and Visiting Professor at the University of Hertfordshire, UK. He has over 22 years of experience as a psychiatrist, with research interests focusing on the interface between neurodevelopmental disorders, psychiatric illnesses and offending behaviour. An author over 100 publications, he was an Associate Dean of the Royal College of Psychiatrists and is currently President of the Royal Society of Medicine's Intellectual Disability Forum, Editor of the Oxford Textbook of Psychiatry of Intellectual Disability and Convenor of RADiANT – a research network of NHS Trusts, academics, patients, family members and community leaders. Eddie Chaplin is Professor of Mental Health in Neurodevelopmental Conditions and Director for the Foundation for People with Learning Disabilities at The Institute of Health and Social Care, London South Bank University, UK. His areas of interest include people with intellectual disability, autism and ADHD in the Criminal Justice System, mental wellbeing training and peer mentoring via co-production with people with intellectual disability and autism. He is currently Head of the Scientific Committee of the European Association of Mental Health and Intellectual Disabilities (EAMHID) and has edited the journals Advances in Autism and Advances in Mental Health and Intellectual Disabilities.