"A demonstrator holds a sign that reads in Spanish ""I am Nisman"" during a protest sparked by the death of special prosecutor Alberto Nisman, outside the government house in Plaza de Mayo in Buenos Aires, Argentina, Monday, Jan. 19, 2015. The other signs read ""Enough Cristina,"" left, and ""Thank you Nisman."" Nisman, who had been investigating the 1994 bombing of the AMIA Jewish community center in Buenos Aires that killed 85 people and who accused President Cristina Fernandez of shielding Iranian suspects, was found dead with a gunshot to his head in the bathroom of his apartment late Sunday, hours before he was to testify in a Congressional hearing about the case. (AP Photo/Rodrigo Abd)"
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