Nisman was investigating the 1994 AMIA bombing, a terrorist attack, and accused the president Cristina Fernández de Kirchner of covering up Iranian suspects.

Nisman prepared a criminal complaint against president Cristina Fernández de Kirchner, accusing her of covering up the involvement of Iranian suspects.

[1] The demonstration was organized by a group of prosecutors, and attended by Nisman's relatives, including his former wife, judge Sandra Arroyo Salgado.

[1] President Kirchner led the opening of the Atucha II Nuclear Power Plant on the same day, with a speech delivered though the emergency population warning.

[1] He said that the government respected popular demonstrations, and then said that the people who called it were both supporters of baby theft during the National Reorganization Process and lawyers of drug dealers.