The day following his death he was due to give evidence in front of Argentina’s Congress. He had collected some very compelling evidence regarding the case of the AMIA Jewish centre bombing in 1994 – the deadliest terrorist attack in Argentina, claiming the lives of 85 people. 

He had convincing evidence that senior Iranian officials were behind the attack. Years before this, in 2007, Interpol issued red notices (similar to international arrest warrants) for five Iranian officials because of evidence presented by Nisman. 

The evidence he was due to present at Congress implicated the president of Argentina (at that time), Cristina Fernandez de Kirchner. He had got hold of numerous wiretaps with conversations between Kerchner, the Foreign Minister Hector Timerman and Iranian officials in Argentina. 

According to Nisman, his evidence proved that Kirchner was trying to find a way to expand trade with Argentina by removing the red notices and granting immunity to those responsible for the AMIA attack. 

The death of Nisman meant that he could not present the evidence in court, and supporters of Kirchner have spent the past two years keeping the complaint away from court. However, an Argentine court has agreed that an investigation will look into Nisman’s allegations. 

Discussions in several wiretaps revolved around creating new evidence. A “truth commission” to investigate the bombing, negotiated by Kirchner, was a way for her to cover up Iran’s role in the bombing. 

It is also believed that Kirchner discussed the invention of a culprit to take the blame.

Current President of Argentina, Mauricio Macri, has not become involved in the activities of Iran since he was elected in 2015. He has, however, taken steps to investigate the death of Nisman. However, it is more complicated than just an investigation because the country’s judicial and political systems are closely aligned. Hopefully Macri, who has already started to reform parts of the government, will see this as an opportunity to reform the judicial system. 

Iran is trying to remove the red notices, but Argentina must stand firm and, hopefully with international support, renew the notices before they expire in November. 

The international community should also support the investigation into Nisman’s death. The leading prosecutor has received death threats and the crime scene has been compromised. Macri should not have any tolerance for this and should punish those with any involvement. 

Nisman’s work should be honoured and lawmakers, politicians and human rights organisations must take a lesson from this affair – the Iranian regime must be punished for its crimes and no death can be overlooked.