You shaped the debate
Our experts answered your questions about spying and civil liberties in a TV and internet debate - click on the headline to watch.
Watching 'subversives'
Award-winning reporter Peter Taylor investigates how the British "Secret State" has spied on its citizens, including actor Ricky Tomlinson, for decades.
Something Better Change
Peter Taylor reveals how MI5 and Special Branch infiltrated Far Left and Far Right groups and spied on union leaders Arthur Scargill and Derek "Red Robbo" Robinson.
It Could Happen To You
In the last programme of the series Peter Taylor asks if the personal freedom of each citizen needs to be protected as carefully as the security of the state itself?