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In recent years, the United Kingdom's Home Office has started using automated systems to make immigration decisions. These systems promise faster, more accurate, and cheaper decision-making, but in practice they have exposed people to distress, disruption, and even deportation.

This book identifies a pattern of risky experimentation with automated systems in the Home Office. It analyses three recent case studies including: a voice recognition system used to detect fraud in English-language testing; an algorithm for identifying ‘risky’ visa applications; and automated decision-making in the EU Settlement Scheme.

The book argues that a precautionary approach is essential to ensure that society benefits from government automation without exposing individuals to unacceptable risks.

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The Home Office – the main UK public authority responsible for immigration – is keenly interested in identifying ‘sham’ marriages which are designed to game the immigration system.1 Since at least 2015, the department has used an automated system to determine whether to investigate a proposed marriage.2 Marriage registrars across the country transmit details of proposed marriages to the system via ‘data feeds’. The system applies eight ‘risk factors’ to assess the risk that a couple’s marriage is a sham. These risk factors include the couple’s interactions before the registrar, ‘shared travel events’, and age difference. The system allocates couples either a ‘green’ rating, indicating that no investigation is warranted, or a ‘red’ rating, indicating that an investigation is warranted to identify possible ‘sham activity’. This algorithm processes a large number of marriages each year. In a 12-month period across 2019 and 2020, the Home Office received 16,600 notifications of marriages involving a non-European national, of which 1,299 were subsequently investigated.

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At dawn on 30 June 2014, Raja Noman Hussain awoke to find about 15 immigration and police officers raiding his house.1 Raja, a 22-year-old Pakistani man, had arrived in the UK several years earlier to study. Now he was being accused of cheating in an English language proficiency test approved by the Home Office, which he had sat in 2012 to meet a condition of his visa. After confirming his ID, the officers told him to grab some clothes, handcuffed him, and took him into immigration detention. Raja spent the next four months in detention, during which time he estimates he met over 100 other international students who had also been detained on the same basis. What followed was six years of legal battles over the cheating allegation, which disrupted his studies, estranged him from his family, and cost him around £30,000. Finally, in early 2021, Raja succeeded in clearing his name and confirming his right to be in the UK.

Raja was one of the tens of thousands of students whose visas were revoked or curtailed – and studies disrupted or ended – after the Home Office accused them of cheating in a government-approved English language test. This scandal eventually hit the headlines. The ensuing appeals and judicial reviews – which became known as the ‘ETS cases’ – have cost the government millions of pounds.2 What is less appreciated about this debacle is that much of it centred on a failed automated system: a voice recognition algorithm which the government used to identify suspected cheats. This chapter explores that side of the story.

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Richard Bertinet is a chef who has lived in the UK since 1988.1 He runs a well-known and popular cookery school in Bath and has penned several award-winning recipe books. A significant portion of the UK’s population is made up of people like Richard – people who migrated from EU Member States and made the UK their home. There is still no exact, official count of how many EU citizens are resident in the UK by virtue of free movement rights, but we now know it to be more than four million.2 That group is embedded within communities across all walks of life. Some have been in the UK for decades, while others arrived more recently. Following the leave vote at the June 2016 Brexit referendum, the status of this group quickly became uncertain. Quite apart from negotiating the rules that would apply, there was the immense challenge of how the new rules would be administered fairly and effectively at the speed required by the Brexit process. In response to this challenge, the Home Office adopted a novel process, known as the EU Settlement Scheme, which included a combination of online applications, partially automated decision making, and cross-departmental data-sharing arrangements. For people like Richard, it was, in the words of then Home Secretary Amber Rudd MP, meant to be ‘as easy as setting up an online account at LK Bennett’.3 Many applications were processed quickly and successfully.

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Robtel Neajai Pailey is a Liberian academic, activist, and author, currently based at the London School of Economics and Political Science.1 Since 2006, she has applied for and obtained a range of visas for the UK, including as a tourist, a student, and a skilled worker. Pailey made several of her applications from the US, where she is a permanent resident. The application process was costly and a bit intrusive, but on the whole she felt the experience was ‘relatively smooth’. When Pailey applied for a visa from Ghana in 2018, however, she bore significant additional costs and delay. Between the Home Office, the British High Commission in Ghana, and the local visa application centre, no one seemed to know the status of her application or the location of her passport. The delay forced her to cancel a different trip at substantial personal cost, and her request for a refund of the application fees was refused. She described the experience as, simply, ‘the absolute worst’.

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The three systems we have explored in this book barely scratch the surface of automation in government immigration systems. They are systems which have, for various reasons and through various means, come into public view. But automated systems are being developed and deployed in many more corners of the immigration bureaucracy. The current trajectory, both in the UK and around the world, is toward increasingly automated immigration systems.

From the transitional and experimental phase that we are currently in, it is clear that automated immigration systems can bring benefits. For example, automation has allowed millions of people to get their status under the EU Settlement Scheme quicker than would have otherwise been possible, reducing delay and associated anxiety. These systems also seem to have some success in reducing decision-making costs. However, automated systems also pose clear and real risks of failure. These failures can occur, and have already occurred, at both individual and systemic levels, with disastrous effects for individuals and their families, as well as wider society and the economy. The resultant harms must be taken seriously, and certainly more seriously than the Home Office appears to have taken them to this point.

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