CBS News
June 30, 2018
The government obtained the call records from telecommunication companies in connection with investigations, raising questions about the viability of the program. The NSA’s bulk collection of call records was initially curtailed by Congress after former NSA contractor Edward Snowden leaked documents revealing extensive government surveillance. The law, enacted in June 2015, said that going forward, the data would be retained by telecommunications companies, not the NSA, but that the intelligence agency could query the massive database.
Now the NSA is deleting all the information it collected from the queries.