James was coy about this last query, saying only that she has three unnamed actors in mind for Christian and four in mind for Anastasia.

CNN: STORY HIGHLIGHTS

After the Russian government made its 2011 query on Mr. Tsarnaev, the FBI three times requested more information and received none, U.S. officials say.

WSJ: U.S.: Russia Withheld Intel on Boston Bomb Suspect

Mr. WHITAKER: You could do a query to identify all parcels with a particular zoning designation within so many feet of three-phase electrical power and so many feet of a water line, and the three properties left to put your business or your school would light up.

NPR: Security Officials Seek to Block Some Online Maps