[23] It is believed that his harassment was instigated by Saudi royal adviser Saud al-Qahtani, who had been tasked by Prince bin Salman with implementing a zero-tolerance crackdown on dissent on social media.

Citizen Lab concluded with a "high degree of confidence" that his cellphone was successfully targeted with NSO Group's Pegasus spyware and attributed this infection to an operator linked to "Saudi Arabia's government and security services".

[39] In December 2018 Omar Abdulaziz granted CNN access to his text messages with Khashoggi, where the two discussed their sharp criticism and political opposition to Mohammed bin Salman.

[42] The Washington Post reported on 10 October 2018 that U.S. intelligence intercepted communications of Saudi officials discussing a plan ordered by the Crown Prince Bin Salman, to capture Khashoggi from his home in Virginia.

[47] 55 members of Congress demanded in a letter clarity from DNI Dan Coats on what the intelligence community knew about the risk Khashoggi faced before his disappearance and whether American officials attempted to notify him that his life was in danger.

[77] Middle East Eye cited an anonymous Saudi who said the Tiger Squad brought Khashoggi's fingers to Mohammed bin Salman in Riyadh as other evidence that the mission was successful.

[84] Those men had flown on two private jets owned by Sky Prime Aviation, a company controlled by Mohammed bin Salman since its transfer to Saudi Arabia's Public Investment Fund the previous year.

[25] According to Nazif Karaman of the Daily Sabah, the audio recording from inside the consulate revealed that Khashoggi's last words were: "I'm suffocating... take this bag off my head, I'm claustrophobic.

"[36] Sabah reported on 11 October that Turkish officials were investigating whether Khashoggi's Apple Watch would reveal clues as to what happened to him inside the Saudi consulate, examining whether data from the smartwatch could have been transmitted to the cloud, or his personal phone, which was with Cengiz.

[110] Also on 22 October, CNN aired CCTV law enforcement footage from the Turkish authorities, showing the Saudi agent Mustafa al-Madani, a member of the 15-man team, leaving the consulate by the back door.

[13] On Sunday 7 October, the Turkish Ministry of Foreign Affairs summoned Saudi Arabian Ambassador Waleed A. M. Elkhereiji to demand for the second time permission to search the consulate building.

[123][124] Calling for an international investigation, at the Headquarters of the United Nations in New York City on 25 October, Agnès Callamard, UN Special Rapporteur on Extrajudicial, Summary or Arbitrary Executions, said the Saudi officials implicated in Khashoggi's death "are high enough to represent the state".

[137][138] In an op-ed in The Washington Post, Erdoğan described the murder as "inexplicable" and as a "clear violation and a blatant abuse of the Vienna Convention on Consular Relations", arguing that not punishing the perpetrators "could set a very dangerous precedent."

[139] On 5 November, Daily Sabah quoted a Turkish official who said that an 11-member team, including chemist Ahmad Abdulaziz Aljanobi and toxicology expert Khaled Yahya al-Zahrani, had been sent by Saudi Arabia to Istanbul on 11 October to destroy the evidence.

[145] While attending World War I centennial commemorations in France, Erdoğan and President Trump discussed how to respond to the killing, and later met with Secretary-General António Guterres of the United Nations.

[14][15] On 16 November 2018, several news organizations including The New York Times and The Washington Post reported that the CIA was unequivocal in assessing with "high confidence" that the crown prince Mohammad bin Salman ordered Khashoggi's assassination.

The agency had examined multiple sources of intelligence, including an intercepted phone call that the crown prince's brother Khalid bin Salman – the then Saudi ambassador to the United States – had with Khashoggi.

[1][148] On 20 November 2018, Trump issued the statement "On Standing with Saudi Arabia"[149] and without citing further evidence he denied the CIA's conclusion: "Our intelligence agencies continue to assess all information, but it could very well be that the Crown Prince had knowledge of this tragic event – maybe he did and maybe he didn't!

[169] On 18 November 2022, the Biden administration provided a legal opinion that Saudi crown prince Mohammed bin Salman holds immunity over his alleged role in Khashoggi's assassination.

[191] A top Pentagon post nominee of US President Donald Trump, Louis Bremer, was grilled on Capitol Hill by Senator Tim Kaine on 6 August 2020, over his firm Tier 1 Group's alleged involvement in Khashoggi's murder.

In 2019, David Ignatius – a Washington Post journalist – reported in one of his articles about a similar warning given by the CIA to other government agencies in the US, about Tier 1 Group employees' involvement in the Khashoggi murder case.

[20] On 1 March 2021 Reporters sans frontières (RSF) filed a criminal case in the Federal Court of Justice in Karlsruhe against Crown Prince bin Salman for "crimes against humanity" in Khashoggi's murder, as well as for the arbitrary detention of 34 journalists.

"[208] In October 2018, the UK and the US joined their major European partners in pulling out of a Saudi Arabia's economic forum nicknamed Davos in the desert, in response to Khashoggi's murder.

[210] WWE's Chief Brand Officer, Stephanie McMahon said that "at the end of the day, it is a business decision and, like a lot of other American companies, we decided that we're going to move forward with the event and deliver Crown Jewel for all of our fans in Saudi Arabia and around the world.

According to the source, the Tiger Squad assassinates dissidents using varying methods such as planned car accidents, house fires, or poisoning clinics by injecting toxic substances into opponents when they attend regular health checkups.

[218] The source interviewed by Middle East Eye also said the team planned to kill Omar Abdelaziz and claimed prince Mansour bin Muqrin was assassinated by the squad by shooting down his personal aircraft as he was fleeing the country on 5 November 2017 and made to appear as an accidental crash.

Alaoudh said, "They offered me a 'temporary pass' that Prominent Saudi women's rights activist Manal al-Sharif also separately reported a similar event during her exile in Australia, having said: "If it weren't for the kindness of God I would have been [another] victim.

"[217] The Tiger Squad also reportedly killed Suleiman Abdul Rahman al-Thuniyan, a Saudi court judge who was murdered by an injection of a deadly virus into his body when he had visited a hospital for a regular health checkup.

[80] In August 2020, a lawsuit filed by exiled former minister of state, Saad Aljabri, alleged that members of the Tiger Squad were sent to Canada to assassinate him two weeks after Khashoggi was killed, but that they were denied entry by Canadian border security.

[237][238][239] In 2020, a documentary on the assassination and the role played by Saudi Crown Prince Mohammed bin Salman was made by an Oscar-winning film director and producer, Bryan Fogel.