The daughter of
Bangladeshi parents, Begum was born in London in 1999 and grew up in
Bethnal Green, attending the
Bethnal Green Academy. She held British citizenship under section 1 of the
British Nationality Act 1981, as both her parents were settled in the United Kingdom when she was born. In a preliminary decision, the Special Immigration Appeals Commission (SIAC) found that as a matter of
Bangladeshi nationality law she also holds Bangladeshi citizenship through her parents, as a result of section 5 of the
Citizenship Act, 1951. With
two friends, Begum left Britain in February 2015 to go to Syria to join ISIS. A few days after her arrival there, she married Yago Riedijk, a Dutch-born ISIS fighter. On 13 February 2019,
Anthony Loyd of
The Times interviewed Begum at the
al-Hawl refugee camp in Syria, with the newspaper calling this "a major scoop". On 19 February 2019, British
Home Secretary Sajid Javid decided to use his
power to deprive Begum of her United Kingdom citizenship, relying on information not to be made public on the grounds of
national security. He later said she would never be allowed to return. She was nine months pregnant at the time, Her case turned into a
cause célèbre, and it was argued on her behalf that she was a
minor when she left home, so should not be held to the same standards of behaviour as those who were
of full age. On 3 March, Begum's Dutch husband said he wished them to live in the
Netherlands, but he was then in a Kurdish detention centre in Syria, and if he were to return to the Netherlands he could face imprisonment for belonging to a terrorist organisation. On 3 May 2019 Begum applied for
leave to enter Britain outside the Immigration Rules, under section 3 of the
Immigration Act 1971 and section 113 of the
Nationality, Immigration and Asylum Act 2002. She relied in part on
Article 2 and
Article 3 of the
European Convention on Human Rights. On 13 June 2019, Javid refused this application, giving as reasons that Begum had not supplied a photograph of her face and a copy of her
fingerprints and that the European Convention on Human Rights did not apply to her, or if it did there was no evidence that refusing her entry would breach her Convention rights. This further decision by Javid was later referred to as the "leave to enter decision". In August 2019, under the
Terrorism Act 2000, the
Metropolitan Police asked the media organisations which had interviewed Begum, including the
BBC,
ITN News,
Sky News, and
The Times, to surrender any unpublished material they held about her to assist them in preparing a prosecution. ==Court of Appeal judgment==