19 June 2026 Sean Mosby 909 Case Updates Do not leave it until cross-examination to reveal your true opinion by Sean Mosby Summary The Claimant suffered serious injuries in a road traffic accident after the Defendant, who was driving out of a side road, collided with the Claimant’s motorbike. Despite being aware of surveillance evidence before preparing his last report, the Claimant’s orthopaedic expert did not reveal his true opinions on the Claimant’s malingering until cross-examination. Learning points Keep an open mind as to the possibility that the Claimant may be exaggerating their symptoms. Always state your true opinions in your reports, joint statements, and oral evidence. Carefully consider the implications for your opinion of any new evidence and make any changes to your opinion as soon as possible. Never wait until cross-examination to reveal your true opinions to the court. To continue reading you must be an EWI member, become a member and access exclusive content. Already a member? Login More links Link to the Judgment Share Print Tags Fundamental dishonesty10. Records Assessments and Site Visits06. Rules and Regulations11. Report Writing14. Changing your opinion Related articles KS v The Secretary of State for the Home Department (Immigration and Asylum Chamber) Appeal Number: PA/64221/2024 A Day in the Life of an Occupational Therapy Expert Witness Expert Report or MG11 form? Lorimer-Wing v Hashmi [2026] EWHC 1843 (Ch) Dermot Speight & Ors (as trustees of the Thornaby Angling Association) v Robert James Pickersgill [2026] EWCC 48 Switch article A Day in the Life of a General Practitioner Expert Witness Previous Article EWI Annual Conference 2026: Opening keynote tackles the use of AI in Expert Reports Next Article Comments are only visible to subscribers.