article_snippet.sent: In a question and answer session with sixth formers in Bury, Mrs May was asked by a student what Mrs May opinion was of Snowden – who leaked millions of documents exposing sensitive spying techniques.
article_snippet.sent: This includes information on who you call, when, for how long and roughly where you were at the time.
article_snippet.sent: This is used for checking alibis, tracing kidnap victims and – in the case of terrorists – identifying and tracking plots.
article_snippet.sent: Officials say the leaks by Snowden, made to the Guardian, have been a gift for terrorists.
highlights_snippet.sent: MI5 and GCHQ's powers .
  