Timeline
Tuesday 15 October - Police release statement - C-4 was the explosive material used to make the bomb. U.S. blames al-Qaeda and Abu Bakar Bashir.
Wednesday 16 October - Police Chief Brig. General Budi Setiawan said there is no indication of al-Qaeda involvement so far.
Thursday 17 October - Susilo Bambang Yudhoyono admits possible involvement of foreigners in bombing. Focus now on seven "foreigners" led by a Yemeni national. Police Chief Brig. General Budi Setiawan confirms bomb made of RDX.
Friday 18 October - General A.M Hendropriyono says that technology and skills of bombers indicate they are not from Bali.
Sunday 20 October - I Made Mangku Pastika says investigation team focusing on four people, including a security guard and a retired Air Force officer.
Monday 21 October - Police receive order to release former Air Force Lieutenant Colonel Dedi Masrukhin despite indications of his link to the Bali blasts.
Forensics experts confirm some of the victims could have been totally consumed by the blast. Tuesday 22 October - Omar al-Faruq allegedly tells CIA bin Laden transferred nearly US $135,000 to JI for purchase of explosives from Indonesian military sources. AFP agent Brett Swan due to the scale of the explosion "highly organized perpetrators" carried it out.
Wednesday 23 October - Gen. Edward Aritonang says investigators have determined the bomb was a large bomb made of RDX with a derivative of ammonium nitrate, but unsure of how it was deployed.
Friday 25 October - Gen. Edward Aritonang says bomb was RDX and ammonium nitrate.
Saturday 26 October - Maj. Gen. Muhdi Purwopranjono claims bombers have been identified.
Sunday 27 October - I Made Mangku Pastika says that although bombs were made by Indonesians, they "could not have done it without help from foreign bomb experts".
Monday 28 October - Two Generals, one police officer and one army officer named as possible suspects in bombing. Subsequent lawsuits filed against Washington Post.
Tuesday 29 October - Susilo Bambang Yudhoyono denies Army, Police Generals involved in bombing.
Wednesday 30 October - I Made Mangku Pastika says that they have identified the main player, who is also bomb maker.
Thursday 31 October - Police release three sketches of bomb suspects that were part of a list of 10 names submitted to police.
Friday 1 November - International investigators say bombers are professionals.
Thursday 7 November - Mitsubishi L300 van owner arrested in East Java on 5 November. Joint inquiry team issues statement that a white Mitsubishi L300 van loaded with explosives stopped minutes before the blast in front of Sari club. Gen. Edward Aritonang says police have not named any suspects but are focusing investigation on ten persons.
Friday 8 November - Chief of Indonesian National Police, Da'I Bachtiar, says Amrozi admitted using van for bombing but admits Amrozi does not match sketches.
Saturday 9 November - I Made Mangku Pastika says Amrozi admits to helping build main bomb.
Sunday 10 November - Police claim Amrozi bought sulfur, ammonium, fluorine and chlorate from a chemical store in Surabaya.
Monday 11 November - Police claim to have produced an initial reconstruction of planning and execution of bombing but AC Manullang expresses doubts about Amrozi's part in the bombing. Gen. Edward Aritonang says Amrozi prime suspect in bombing.
Tuesday 12 November - I Made Mangku Pastika says 10 Indonesians suspected of bombing. Amrozi states he wanted to kill Americans in bombing. Bachtiar says Amrozi held four meetings in Surakarta to plan bombings. Anti-terrorism officer, Kopassus, expresses doubt over police claims they have identified bombers saying that the bombing would take a year of practice to execute. Chemical expert rules out conventional explosives as “incapable of causing level of destruction at Kuta”.
Wednesday 13 November - Amrozi now says he did not assemble bomb. I Made Mangku Pastika now says bomb consisted of 100 kilos TNT, PETN detonator and RDX booster.
Thursday 14 November - Amrozi identifies Samudra as one of the masterminds of the bombing, says he drove van to Bali but denies the assembly of it.
Monday 18 November - Joint investigation team identifies 6 more suspects: Dulmatin, Idris, Imron, Patek, Samdura and Wayan, with Idris, Dulmatin and Samdura, as the assemblers.
Tuesday 19 November - I Made Mangku Pastika says investigators have not yet focused on source of explosives. Police say RDX and TNT trace found at blast site.
Wednesday 20 November - Australian police say they have not found RDX residue at site, only Chlorate and TNT.
Thursday 21 November - Hermawan Sulistyo says amount of explosives required to cause that amount of damage do not match van story. Police confirm chemicals purchased by Amrozi were not the main bomb materials. I Made Mangku Pastika says main bomb materials TNT and RDX.
Friday 22 November - In Amrozi’s interrogation transcript, he appears to be in dark about Sari Club and Paddy’ Bar bombings until he sees it on TV.
Saturday 23 November - Bachtiar says that Amrozi provided the vehicle and materials for the bombs.
Sunday 24 November - Bachtiar says the bombings were carried out by three groups under leadership of Hambali.
Monday 25 November - Time Magazine claims Yemeni terrorist mastermind of Bali Bombing.
Tuesday 26 November - Police detain accomplices in bombing and claim Samudra was in the process of obtaining a fake passport.
Wednesday 27 November - Legal experts say Amrozi and Samudra confessions inadmissible.
Thursday 28 November - Bali bombing victims call for death of perpetrators.
Friday 29 November - Aritonang says Samudra interrogation transcripts are not included in his case file because a lawyer was not present.
Saturday 30 November - Australian Police now claim JI operating in Indonesia.
Sunday 1 December - Lawyers for Samudra say he is not linked to Bashir or Mukhlas.
Monday 2 December - Analyst Sulistyo hints that media reports, which relied on intelligence sources, may be false.
Tuesday 3 December - Police release the names of 163 victims.
Wednesday 4 December - Bali investigating team unsure as to when the investigation into the missing 200 people will begin.
Monday 9 December - I Made Mangku Pastika claims that at least 90 percent of the Bali bombing plot has now been uncovered.
Wednesday 11 December - Samudra’s lawyer expresses doubt on his client's ability to assemble explosives and alleges that a “third party” had manipulated Samudra and the other suspects and that two devices, not one, were used outside the Sari Club: one conventional and one "high tech device of great power".
Read more about this topic: 2002 Bali Bombings