MI5’s Surveillance of BBC Journalist Raises Legal and Ethical Questions

MI5 made several applications to access phone data in an effort to identify the sources used by BBC journalist Vincent Kearney. According to a tribunal hearing, MI5 applied for his call records multiple times between 2006 and 2009 while he reported from Northern Ireland. Their justification was national security, but they admitted later that some of the data was collected without full legal authorization.

The data obtained included detailed billing information—call times, dates, and which numbers he contacted. MI5 also collected data from people in his network, suggesting their surveillance was broader than just Kearney himself. During the hearing, MI5 acknowledged that they routinely made repeated, sequential applications to build up a more complete picture of his contacts.

Kearney’s legal team argues that these actions violate his rights under the European Convention on Human Rights, particularly the rights to privacy (Article 8) and to protect journalistic sources (Article 10). They want clear answers about how many times MI5 applied, how much data they collected, and whether other BBC journalists were targeted in the same way.

MI5 defended itself by saying that confirming or denying more surveillance would be harmful to national security. They claim revealing their methods would jeopardize future investigations. But Kearney’s side says that freedom of the press and protecting sources are more important than keeping every detail of their surveillance process secret.

The case is now under legal challenge—not only against MI5, but also involving UK police forces. Kearney and the BBC are pushing for full transparency: they demand to know whether more applications were made, both legally and illegally, and how much data MI5 still holds today.