PICTURES: Christmas trees left out on the street

At the centre of every foiled terrorist plot is a 'Covert Human Intelligence Source', or agent but how are they recruited?

Jeremiah Adebolajo - the brother of Michael Adebolajo - claims he and his family have been approached by British authorities for years.

The brother of Woolwich suspect Michael Adebolajo has told ITV News British Intelligence have repeatedly approached him and his family.

London