The government has announced that Melita Norwood, an 87-year-old great-grandmother who spied for the KGB, will not be prosecuted. Four other spies will also be spared prosecution.

---

Exposed
Grandmother was KGB agent
Melita Norwood explains that she has no regrets for her actions - that she helped Russia out of conviction, not for financial gain.

• I regret nothing, says Stasi spy
• Christopher Andrew answers your questions
• Q&A: Spying scandal in the spotlight

---

Analysis
'Why Norwood will be spared'
Earlier in the year, former MI5 agent David Shayler, living in exile in Paris, told BBC News Online why he thought Melita Norwood would not be prosecuted.

• How they found the spy of the century
• Who's being spied on?
• A spy in the house of love
• Q&A: A spy revealed
  
• BBC News Online speaks to David Rose, the journalist who found Mrs Norwood

---

Profiles
Idealist who sold out his homeland
Former KGB officer Colonel Vasili Mitrokhin spent 10 years copying files before he defected to Britain. BBC News Online profiles the man who unmasked Melita Norwood.

• Spying scandal Who's Who
• University lecturer's double life
• The 'Romeo' spy
• Driberg always under suspicion
• Melita Norwood: A secret life
• Timeline: Melita Norwood
• MI5's mystery man

---

Background
The Cambridge spy ring
The most famous spies in the UK became known by the KGB as the 'magnificent five' but were better known in Britain as the Cambridge spy ring.

• The Stasi's fearsome grip
• Archive news: The "fifth man"