Sky News 
April 27, 2013
Zubeidat Tsarnaeva was added at the same time as her eldest son Tamerlan Tsarnaev, according to two officials.
Tamerlan and his brother Dzhokhar are suspected of carrying out the double bombing on April 15 that killed three bystanders and wounded 264 at the race.
Tamerlan, 26, was killed in a shootout with police a week ago, and his 19-year-old brother is in prison charged with using a weapon of mass destruction.
The CIA reportedly put Mrs Tsarnaeva on the classified Terrorist Identities Datamart Environment database, known as Tide. It includes known and suspected terrorists.