This 20th article in the Unimpeachable Neutrality series explores why and how valuation and forensic accounting experts may need to evolve toward a new standard: unimpeachable certainty. Neutrality, once the highest standard of expert credibility, must now be supplemented with verifiable authentication practices to ensure that expert conclusions are not built upon fabricated realities. Neutrality without authentication has become not a virtue, but a risk; a structural weakness that can be exploited. This evolution marks a pivotal moment for our profession. Those who remain static, clinging to an outdated conception of unimpeachability, will find themselves undermined not by cross-examination, but…