It will look at why the security service gave false evidence to three courts about conversations with BBC News.

Three men in northern England were sentenced last week for preparing acts of terrorism. Their case highlights a growing ...

German spy Gosta Caroli, who went on to become a double agent ... After Caroli was found, he was taken to Northampton's Angel Lane police station before being handed over to MI5 officers in London. He ...

A Nazi spy's radio seized by police after he was arrested in a field having parachuted into the country has gone on public display for the first time. German spy Gosta Caroli, who went on to become a ...