As the Post Office Horizon IT Inquiry and the Covid-19 inquiry continue their work, Philip Norton explains how public inquiries can operate very differently, depending on how they are established. He discusses the numerous ways inquiries can operate, analyses post-legislative scrutiny of the relevant legislation, and outlines the aims of a new parliamentary inquiry on the subject, which he chairs.
Recent years have seen some notable disasters and scandals, including the Manchester Arena bombings, the Grenfell Tower fire, the miscarriage of justice in the Post Office Horizon IT scandal, the use of infected blood, and child sexual abuse. Whenever they occur, there is a natural desire to identify what went wrong and what can be done to prevent a reoccurrence. These tasks are typically vested in a public inquiry. Such inquiries have become a significant feature of public life.
Setting up public inquiries is not a new activity. However, as a study by the Institute for Government has shown, public inquiries have become more numerous. Prior to the enactment of the Inquiries Act 2005, there were different statutory bases for inquiries. The principal one was the Tribunals and Inquiries (Evidence) Act 1921. It was regarded as cumbersome, requiring both Houses of Parliament to approve a Secretary of State establishing an inquiry with the same powers as the High Court. When inquiries were established, they tended to be lengthy and expensive.
As the government’s figures show, not all public inquiries are established by statute. Ministers have the option of setting up an inquiry on a non-statutory basis. These tend to be favoured for reasons of time and cost. A non-statutory inquiry can be conducted relatively quickly. However, public pressure often leads to the creation of a statutory inquiry or a non-statutory inquiry being converted into a statutory one. Statutory inquiries have the advantage of being empowered to summon witnesses and take evidence under oath. Despite the Act imposing a duty on chairs to consider financial cost, they can still be expensive as well as lengthy, sometimes costing millions of pounds and sitting for years. Although ministers may be critical of this, the public tend to favour the statutory over the non-statutory. A survey carried out by Crest Advisory found that 75% of those questioned felt that an inquiry should investigate the event or events as thoroughly as possible even if this means the inquiry taking longer or costing more than was originally anticipated.
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