After the first week of the Hutton inquiry, the sequence of events leading up to Dr David Kelly's death is building up. Here's the timeline which has emerged so far:
22 May: Dr David Kelly meets BBC reporter Andrew Gilligan in London hotel
22-29 May: At some time during this period Dr David Kelly tells senior Foreign Office official Patrick Lamb, said to be a friend, that he has spoken to Andrew Gilligan and Susan Watts about weapons of mass destruction
29 May: Andrew Gilligan's report is broadcast on the Today programme. Alastair Campbell is in Kuwait with Tony Blair when he is told of the claims
30 May: Newsnight's Susan Watts speaks to Dr David Kelly in the wake of the Today story
1 June: In an article in the Mail on Sunday, Mr Gilligan says his source - Dr Kelly - told him Downing Street media chief Alastair Campbell was responsible for "sexing up" the Iraq weapons dossier
2 June: Newsnight reporter Susan Watts broadcasts details of her conversation on 30 May with Dr Kelly
3 June: Foreign Office draws up documents, including "lines to take" on the 45 minutes claim, ahead of a Commons debate on the row
4 June: Susan Watts' second report is aired. Cabinet minister John Reid claims rogue elements within British intelligence have been briefing against the government
5 June: Dr Kelly visits Iraq, staying until 10 June
6 June: Alastair Campbell complains to the BBC about Andrew Gilligan's "irresponsible reporting of what he claims to be information from intelligence sources"
12 June: Alastair Campbell asks for internal BBC inquiry
13 June: Mr Blair and Mr Campbell have lunch with top BBC executives, during which the prime minister calls for more attention on domestic issues
15 June: Observer newspaper carries a report on mobile biological facilities in Iraq. Dr Kelly is suspected by some officials of being the source of the story
17 June: Foreign Office official Patrick Lamb tells MoD official Martin Howard at an informal reception that Dr Kelly had told him he had spoken to Andrew Gilligan and Susan Watts
19 June: Andrew Gilligan gives evidence to Commons Foreign Affairs Committee. On the same day, Mr Howard tells Dr Kelly's line manager Dr Bryan Wells, that Dr Kelly had spoken to Mr Gilligan and says there should be a meeting with the scientist on 24 June
24 June: Planned meeting does not take place. Dr Wells says this was because a parallel police inquiry was taking place into the leaking of top secret documents. Dr Kelly was "being considered as part of the inquiry"
25 June: Mr Campbell appears before the foreign affairs committee and vigorously demands an apology from the BBC over Mr Gilligan's report
26 June: Mr Campbell writes to the BBC to back up his apology demand
27 June: Andrew Gilligan tells BBC director of news Richard Sambrook that Dr Kelly was the source of his report. The BBC rejects Mr Campbell's calls for an apology, but he says the corporation has "not a shred of evidence for their lie"
Today programme editor Kevin Marsh sends email to
the head of Radio News at the BBC, Stephen Mitchell, suggesting that Mr Gilligan's story "was a good
piece of investigative journalism marred by flawed reporting"
28 June Mr Campbell appears on Channel 4 News to continue his calls for an apology from the BBC
30 June: Dr Kelly calls Dr Wells, to say he has written to him about his dealings with Andrew Gilligan. He says he was alerted by Mr Gilligan's evidence to the Foreign Affairs Committee
1 July: Dr Kelly's letter arrives with Dr Wells. In it he says: "I most certainly have never attempted
to undermine government policy in any way"
3 July: Defence Secretary Geoff Hoon calls Downing Street chief of staff Jonathan Powell at home to say an official has come forward to admit he met Mr Gilligan.
4 July: Dr Kelly meets Dr Wells and MoD personnel director Richard Hatfield. He is warned that further unauthorised contact with journalists will lead to disciplinary action
Defence Secretary Geoff Hoon tells Alastair Campbell that an official has admitted speaking to Mr Gilligan.
Mr Powell, Joint Intelligence Committee chairman John Scarlett, Number 10 foreign policy adviser Sir David Manning and Cabinet Office intelligence coordinator Sir David Omand meet to discuss the official's admission. They decide the need more details before telling MPs' committees.
MoD permanent secretary Kevin Tebbit writes to Sir David Omand saying his "immediate reaction" was that Dr Kelly
must have been the single source. The letter went on: "However, closer examination suggests that this would not
necessarily be a reasonable conclusion."
5 July: Dr Kelly travels to RAF Honington, near Bury St Edmunds, Suffolk for weekend training in preparation for the dispatch of a
team of weapons inspectors to Iraq.
7 July: The Foreign Affairs Committee clears Mr Campbell of "sexing up" the dossier but says undue prominence was given to the 45-minute claim
Head of Joint Intelligence Committee John Scarlett sends memo saying Dr Kelly should be subjected to "proper security-style interview".
"Until we have the full story, we cannot decide what action to take. I think this is rather urgent. Happy to discuss."
After Tony Blair asked for more details of Dr Kelly's story, the scientist meets MoD bosses again to clear up discrepancies between his version of events and that of Mr Gilligan
Mr Blair meets closest advisers and discusses Dr Kelly, as well as the government's response to the Foreign Affairs Committee's report on the lead-up to war.
The prime minister asked what Dr Kelly would say about weapons of mass destruction if he was questioned by MPs, and was told the scientist supported the war but could say some uncomfortable things on specifics.
8 July: Mr Blair again discusses the Dr Kelly issue with advisers in a briefing after he faced questions from senior MPs.
The Ministry of Defence announces that an official - not named, but now known to be Dr Kelly - has come forward to say he met Mr Gilligan.
BBC director of governors Gavyn Davies replies to Defence Secretary Geoff Hoon's offer to give the BBC the name of the official - Dr Kelly - who has admitted meeting Andrew Gilligan. Mr Davies says the offer appeared to be an attempt to force the BBC to reveal its source.
Mr Hoon meets Richard Sambrook and expresses his concern at the BBC's insistence that Mr Gilligan had given the MoD advance notice of the nature of his story.
9 July: Dr Kelly is named in some newspapers as the official who spoke to Mr Gilligan. Mr Hoon writes to the BBC asking if Dr Kelly is the source of its story
Dr Kelly leaves his home after being advised by the MoD that he might become the focus of media attention. He goes to Weston-super-Mare
10 July: Dr Kelly, now in Cornwall, is asked to appear before the Foreign Affairs Committee.
Sir Kevin Tebbit writes to Mr Hoon advising that Dr Kelly should not appear before the committee, saying he had come forard voluntarily and "is not on trial"
But Mr Hoon over-rules that advice, saying this would be "presentationally difficult" as Dr Kelly was giving evidence in private to the Intelligence and Security Committee
14 July: Dr Kelly receives a letter from MoD personnel director Richard Hatfield saying his meetings with Mr Gilligan were "ill-judged" and accusing him of a serious breach of procedure
Mr Howard meets Dr Kelly to discuss his appearance before the committee. He insists this was not intended to give him a "certain steer"
A colleague of Mr Lamb's says Dr Kelly is feeling stressed. Mr Lamb telephones the scientist, who he says was tense but also said he was happy with the way the MoD was treating him
15 July: Dr Kelly appears before the Foreign Affairs Committee
16 July: Dr Kelly gives evidence to the Intelligence and Security Committee. Dr Wells said Dr Kelly seemed "more comfortable" when giving his 45-minute evidence to the committee
After the session "he seemed very pleased at how it had gone. He was actually
in good spirits," Dr Wells said.
17 July: Mr Gilligan gives evidence to MPs for a second time. He is later criticised for not revealing his source to MPs and accused by committee chairman Donald Anderson of changing his story.
1500 BST: Dr Kelly leaves his house in Oxfordshire, saying he is going for a walk. Dr Kelly's family contact police at 2345 BST when he does not return.
18 July: Police investigating Dr Kelly's disappearance say they have discovered a body, later it is identified as Dr Kelly's
Downing Street says an independent judicial inquiry will be held into the circumstances of Dr Kelly's death
19 July: A post-mortem on Dr Kelly concludes that his cause of death was haemorrhaging from a wound to his left wrist
20 July: The BBC's director of news Richard Sambrook acknowledges that Dr Kelly was the source for Andrew Gilligan's controversial report
1 August: The inquiry investigating Dr Kelly's death opens
11 August: The inquiry, chaired by Lord Hutton starts taking evidence