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Was it suicide or was it murder?

Name: Was it suicide or was it murder?
Uploaded: 2015-03-08T18:30:00-0400
Duration: 1 min 50 s
Description: The death of Alberto Nisman is a "mystery," unrelated to Argentina's dark history of political killings, says the country's foreign minister. Watch Lesley Stahl's report "Who Killed the Prosecutor?"

The death of Alberto Nisman is a "mystery," unrelated to Argentina's dark history of political killings, says the country's foreign minister. Watch Lesley Stahl's report "Who Killed the Prosecutor?"