2003 Imam Ali Shrine Bombing

On 29 August 2003, two car bombs exploded outside the Shia Imam Ali Shrine in Najaf, Iraq, as worshippers gathered for Friday prayers. The attack killed 95 people, making it the deadliest single attack in Iraq that year. Among the dead was Ayatollah Mohammed Baqir al-Hakim, the spiritual leader of the Supreme Council of the Islamic Revolution in Iraq, a prominent Shia religious and political figure whose death was a significant blow to Iraq's Shia community.

The bombing occurred amid the broader instability following the 2003 invasion of Iraq. Its impact on Iraqi Shia communities was profound both because of the scale of casualties and because of the killing of a widely revered cleric. In the aftermath, thousands of Shia mourners took to the streets in cities and towns across the country. Many of the mourners publicly blamed loyalists of the former Ba'athist government led by Saddam Hussein, and the demonstrations took on the character of anti-Ba'athist protests.

Saddam Hussein, who was in hiding at the time, released a taped audio message denying any involvement in the attack.

U.S. and Iraqi officials subsequently accused Abu Musab al-Zarqawi, a militant leader operating in Iraq, of orchestrating the assassination of Baqir al-Hakim. Officials claimed that the suicide bomber who detonated the device was Yassin Jarad, identified as Zarqawi's father-in-law.

The U.S. Department of Defense issued a statement condemning the bombing, offering condolences to victims and their families, and reaffirming a commitment to working with the Iraqi people. Following the attack, local Shia leaders requested assistance from the FBI to help determine whether the bombing was carried out by al-Qaeda. FBI forensic investigators were flown to an airstrip south of Najaf within days of the attack and were escorted to the shrine to investigate the scene, as well as to examine the remains of dozens of victims, which had been stored in metal shipping containers pending their arrival.

No formal charge, trial, or conviction is documented in connection with the allegations against al-Zarqawi and his late father-in-law.