Here is a chronology of events connected to the nightclub bombings on the Indonesian island of Bali, which killed 202 people, mostly Western tourists, and the subsequent police investigation.
Oct. 12, 2002: Just before midnight, a suicide bomber blows himself up inside Paddy's Bar in Bali's Kuta district, killing nine people. Minutes later, a much larger car bomb explodes outside the nearby Sari Club, killing 193 people, many of whom were fleeing the first explosion at Paddy's.
A third bomb explodes about a minute later near the U.S. consulate a few miles away. No one is hurt.
Oct. 18, 2002: Under pressure to rein in extremist Muslim groups, Indonesian President Megawati Sukarnoputri signs tough anti-terror decrees and vows to hunt down terrorists in the vast archipelago nation.
Oct. 19, 2002: Police arrest Muslim cleric Abu Bakar Bashir, the alleged spiritual leader of the al-Qaida-linked regional terror group Jemaah Islamiyah, which has since been blamed for the attack.
Nov. 7, 2002: Mechanic Amrozi bin Nurhasyim, 41, is arrested in Tenggulun, Central Java, after detectives trace him though the van used in the attack. He is the first of 35 suspects linked to Jemaah Islamiyah to be detained.
Nov. 13, 2002: A grinning Amrozi appears before TV cameras joking with his Indonesian police interrogators, outraging survivors of the attacks. He is promptly dubbed the "smiling bomber" in the media.
Nov. 21, 2002: Police arrest Imam Samudra, the alleged mastermind of the attacks, at a ferry terminal as he tries to flee to Sumatra island. A day later officers say he confessed to the bombing.
Jan. 13, 2003: Ali Imron, Amrozi's younger brother, is arrested in Kalimantan with another key suspect in the blast. Police say the pair were planning to escape to Malaysia.
Jan. 28, 2003: Indonesian police link Jemaah Islamiyah to the bombings for the first time.
April 23, 2003: Bashir goes on trial for treason over a series of church bombings in Indonesia on Christmas Eve 2000, though officials say they don't have enough evidence to try him for the Bali attack. The alleged Jemaah leader denies any wrongdoing and claims the organization does not exist.
May 12, 2003: Amrozi's trial begins on Bali. He is charged with planning and carrying out an act of terrorism, an act punishable by death.
June 2, 2003: Imam Samudra's trial begins on the same charges as Amrozi.
Aug. 5, 2003: A car bomb goes off in front of the Marriott hotel in downtown Jakarta, killing at least 10 people and wounding close to 150. Suspicion falls on Jemaah Islamiyah.
Aug. 7, 2003: A panel of five judges finds Amrozi guilty and sentences him to death. Amrozi smiles and raises his arms in the air as dozens of mostly Australian survivors and relatives of the victims cheer.