Binyam Mohamed, an Ethiopian residing in Britain, said he was tortured after being sent to Morocco and Afghanistan in 2002 by the U.S. government. Mohamed was transferred to Guantánamo in 2004 and all terrorism charges against him were dismissed last year. Mohamed was a victim of extraordinary rendition, in which a person is abducted without any legal proceedings and transferred to a foreign country for detention and interrogation, often tortured.

Mohamed and four other plaintiffs are accusing Boeing subsidiary Jeppesen Dataplan, Inc. of flying them to other countries and secret CIA camps where they were tortured. In Mohamed’s case, two British justices accused the Bush administration of pressuring the British government to block the release of evidence that was “relevant to allegations of torture” of Mohamed...