The U.S. monitored the phone conversations of 35 world leaders, according to a National Security Agency document provided by its former contractor, Edward Snowden, according to The Guardian newspaper. The names of the world leaders is not disclosed in the document of 2006, and access to the 200 phone numbers of the leaders provided "little reportable intelligence," as the phones were apparently not used for sensitive discussions. The numbers, however, provided leads to other phone numbers that were subsequently targeted, according to the document.