Her mother also said on the stand that FBI agents showed up at her work, telling her that her son Adis Medunjanin, a Bosnian-born U.S. citizen, should tell them what he knows.

The defence called both women to the stand in the trial of the former cab driver, whose lawyer argues federal agents unfairly coerced him into making incriminating statements after they intimidated his family. Medunjanin has pleaded not guilty to conspiracy to use weapons of mass destruction, providing material support to a terrorist organisation and other charges.