[13] Although it began in 2009 in Malaysia, the scandal's global scope implicated institutions and individuals in politics, banking, and entertainment, and led to criminal investigations in a number of nations.
As of 2018, the U.S. Department of Justice found that Low and other conspirators including officials from Malaysia, Saudi Arabia and the United Arab Emirates diverted more than US$4.5 billion from 1MDB.
After several Malaysian investigations were opened, Najib responded by dismissing several of his critics from government positions, including his deputy Muhyiddin Yassin and attorney-general Abdul Gani Patail.
[27] American rapper Pras, former Goldman Sachs chairman Tim Leissner and fundraiser Elliott Broidy were among those charged in the United States in connection with 1MDB.
[33] On 26 October 1987, leader of the opposition, Lim Kit Siang, called for the Anti-Corruption Agency to investigate as to how Najib, who was Pahang MB, could give approval for a logging concession of 2000 acres to a resident of a low-cost housing estate.
[40] On 19 September 1990, Tan Chai Ho, chairman of the Federal Territory MCA Joint Committee, said he would collect controversial statements made by Najib since 1987 against Chinese primary schools.
In 2008, Abdul Razak was acquitted of abetment in the murder of Altantuyaa by the High Court,[43] while Chief Inspector Azilah Hadri and Corporal Sirul Azhar Umar were found guilty in 2015 and sentenced to death.
His remarks drew ripostes from lawyers, opposition parties and religious leaders, who accused the government of ignoring Malaysia's history and constitution,[56][57][58] that authorities finally ordered mainstream media to drop the subject.
[60][61] In December of that year, Human Rights Watch decried Najib's remarks, saying that his "actions against LGBT people are a glaring contradiction to his self-proclaimed profile as a 'global moderate' leader."
[64] Najib made clear in a speech in August 2015 at an international Islamic moderation seminar in Selangor, that he believed Malaysia should not support LGBT rights.
[74] The government through LHDN filed the suit against Najib on June 25, 2019, seeking total payment of RM1.69 billion for income tax arrears from 2011 to 2017, with interest at 5% a year from the date of judgment, as well as costs and other relief deemed fit by the court.
[76][77] On 22 July 2020, the High Court has ruled in favour of the Inland Revenue of Board (IRB) in a summary judgment by allowing it to collect tax arrears from Najib for the amount of RM1.69 billion.
[80][81] On 14 June 2021, The High Court dismissed Najib's application for a stay of execution of its order for him to pay RM1.69 billion owed to the IRB, ruling that all taxpayers are equal before the law.
[82][83] On 6 May 2021, Najib was given two fines amounting to RM3,000 for failing to comply with standard operating procedures (SOPs) of the conditional movement control order (CMCO) at a restaurant.
[85] On 27 February 2022, Health Minister Khairy Jamaluddin said he will review a video depicting Najib purportedly violating COVID-19 SOPs during a campaign visit in Perling, Johor.
[86] On 10 March, Health Minister Khairy Jamaluddin revealed that his ministry had issued 42 compound notices for the violation of SOPs during the campaign period for the Johor election, including five to Najib.
He filed a statement of claim at Kuala Lumpur High Court, providing an August 24, 2020, Facebook post by Najib together with a Sinar Harian article dated January 28, 2019, as key evidence.
[92] According to a report by ''The Edge Markets'', the Kuala Lumpur High Court senior assistant registrar Nurul Izzah Hasan Basri directed Dzulkefly's lawyers during case management to file a reply to Najib's defence by March 3.
[94][95] He said he was merely defending the Perikatan Nasional (PN) coalition in highlighting Pakatan Harapan (PH)'s hypocrisy in alleging nepotism, cronyism and political appointments with regards to posts made in government-linked companies (GLCs).