The presumption of innocence is frequently described as the golden thread running through criminal law, yet it has always been a fragile thing outside the courtroom walls. Long before a jury is sworn, an accused person may already have been tried, convicted and sentenced in the court of public opinion. What has changed is not the existence of that pressure but its speed and permanence: a single post can reach millions before a charging decision is even made, and it remains searchable indefinitely thereafter.

Criminal procedure has traditionally answered this problem with tools designed for a slower media environment. Reporting restrictions, contempt of court rules and the sequestration of juries were built for newspapers with print deadlines and broadcasters bound by licence conditions. Their assumptions sit uneasily with a landscape in which commentary, speculation and leaked material circulate continuously across borders that no domestic order can reach.

Judges are not powerless in the face of this shift, but their remedies are blunter than they once were. A change of venue may do little when the coverage in question is not local but global. Careful jury directions remain the primary safeguard, instructing jurors to decide the case solely on the evidence heard in court, yet directions can only counteract influence that jurors are prepared to admit, and psychological research suggests that pre-existing impressions are not always displaced simply because a judge asks that they be set aside.

There is also a structural tension worth naming plainly: open justice and a fair trial are not opposing values but are frequently placed in tension by the pace of contemporary reporting. Public scrutiny of prosecutorial and judicial conduct depends on reporting being permitted, including reporting that is unflattering to an accused. The difficulty is not that the public is informed, but that information arrives stripped of the procedural safeguards, cross-examination and disclosure obligations that give courtroom evidence its reliability.

A more durable response may lie less in restricting publication and more in strengthening the mechanisms that follow it. Robust voir dire procedures that probe prospective jurors' prior exposure, clearer judicial guidance on the weight to attach to pre-trial coverage, and a willingness to grant adjournments where prejudice is demonstrably acute all preserve the core guarantee without pretending that publication can be switched off. The presumption of innocence was never a promise that an accused would go unnoticed; it is a promise that guilt would be established only by evidence tested in a courtroom, and that promise is worth defending precisely because it has become harder to keep.

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