1. Natalio Alberto Nisman was an Argentine lawyer who worked as a federal prosecutor, noted for being the chief investigator of the 1994 car bombing of a Jewish center in Buenos Aires, which killed 85 people, the deadliest terrorist attack in Argentina's history.
On 18 January 2015, Nisman was found dead at his home in Buenos Aires, one day before he was scheduled to report on his findings before a Congress inquiry with supposedly incriminating evidence against high-ranking officials of the then-current Argentinian government including former president Cristina Fernandez de Kirchner, regarding the Memorandum of understanding between Argentina and Iran.
Alberto Nisman's death was initially ruled a suicide by a group of forensic experts appointed by Argentina's Supreme Court in 2015.
In 2017, Alberto Nisman's death was later determined to have been a homicide by a forensic group of the Gendarmerie.
In 2023, on appeal, the Federal Chamber of Cassation revoked the dismissal that Cristina Fernandez de Kirchner had benefited from and ordered her to be tried for the alleged cover-up for which Alberto Nisman accused her regarding the Argentina-Iran Memorandum of Understanding.
Alberto Nisman was born to a middle-class Jewish family in Buenos Aires.
Alberto Nisman started his career as a prosecutor in Moron, Buenos Aires.
Alberto Nisman was married to judge Sandra Arroyo Salgado, with whom he had two daughters.
Alberto Nisman graduated from the University of Buenos Aires and served as a law clerk at the National Tribunals Courthouse.
Alberto Nisman was later appointed prosecutor in the suburban Moron, Buenos Aires, district.
Alberto Nisman was appointed Special Prosecutor in charge of the AMIA bombing investigation on 13 September 2004.
On October 25,2006, Alberto Nisman formally accused the government of Iran of directing the AMIA bombing, and the Hezbollah militia of carrying it out.
Alberto Nisman asked in 2008 for the detention of the former President Carlos Menem and Judge Juan Jose Galeano, who first presided over the AMIA case until his removal in 2004.
Alberto Nisman was considered a possible candidate for General Prosecutor of the Nation, after the resignation of Esteban Righi during the Boudougate scandal in 2012.
Alberto Nisman rejected the 2013 memorandum of understanding signed with Iran to investigate the case.
Alberto Nisman's body was found inside the bathroom, blocking the door, and there were no signs of forced entry or robbery in the apartment.
Nonetheless, a locksmith who arrived at Alberto Nisman's apartment was quoted as stating that he found a hidden entrance to the apartment open upon his arrival.
The death of Alberto Nisman is under investigation by federal judge Emma Palmaghini and special prosecutor Viviana Fein.
Alberto Nisman had two registered guns, but this gun did not belong to him; it belonged to his assistant Diego Lagomarsino, who lent it to him.
Alberto Nisman's body did not have signs of a physical attack and Fein commented that there was nothing suggesting the presence of other people at the crime scene.
Alberto Nisman's bodyguards had not been present since the previous Friday and returned that Sunday at noon.
Alberto Nisman had written a grocery list for the following day, which was found at the house.
Some who knew Alberto Nisman well, including Congresswoman Cornelia Schmidt-Liermann, said that he had been living under constant threats on his life since he began his investigation 10 years earlier.
Fein announced on 3 February 2015 that Alberto Nisman had drafted warrants for the arrest of President Cristina Fernandez de Kirchner and Hector Timerman, Argentina's Foreign Minister, before his death.
Senior Secretariat of Intelligence officer Antonio "Jaime" Stiuso, who conducted many of the wiretaps ordered by Alberto Nisman, had been dismissed in a December 2014 agency shakeup and had persuaded Alberto Nisman to dismiss his 10-man security detail days before his death.
That same year Alberto Nisman's assistant was accused as the prime suspect of Alberto Nisman's alleged homicide after providing the murder or suicide weapon and is currently being prosecuted on conspiracy-to-commit-murder charges by a federal judge.
In 2023, on appeal, the Federal Chamber of Cassation revoked the dismissal that Cristina Fernandez de Kirchner had benefited from and ordered her to be tried for the alleged cover-up for which Alberto Nisman accused her regarding the Argentina-Iran Memorandum of Understanding.
In early March 2015, a private investigation that was initiated by Alberto Nisman's family concluded that Alberto Nisman's death was not suicide but was an act of homicide.
Alberto Nisman's death caused an international stir and captivated media attention throughout the world.
Argentine journalist Facundo Pastor accused Alberto Nisman claiming of having longstanding working relationship several USA security agencies, including the FBI.
Pastor claims that Alberto Nisman might have been abandoned by his USA security contacts because the Obama administration shifted its political priorities from a severe anti-Iran policy towards a negotiated nuclear deal and more relaxed diplomatic ties with Iran as a consequence.
The reason for the withdrawal was an alleged partiality of the Judge Canicoba Corral, who had previously criticized Alberto Nisman and had made remarks in the media assuming Alberto Nisman's money laundering to be almost certain.
Alberto Nisman explained to the Justice that he gave the money to Nisman in his hand, in the department of Le Parc of the latter, and without witnesses.
The data on Alberto Nisman's estate were provided two months after the death, in a letter signed by Lagomarsino and his lawyers and presented to the prosecutor Viviana Fein.
The seriousness of the recordings was such that, in those years, two judges tried to mediate with the prosecutor Cavallo so that he "helped" Alberto Nisman emerge from this situation successfully.