washington u.s. national security agency collect 151 million record americans phone call last year even congress limit ability collect bulk phone record accord annual report issue tuesday top u.s. intelligence officer report office director national intelligence dan coat first measure effect 2015 usa freedom act limit nsa collect phone record contact people u.s. ally intelligence agencies suspect may tie terrorism find nsa collect 151 million record even though warrant secret foreign intelligence surveillance court spy 42 terrorism suspect 2016 addition handful identify previous year nsa gather vast quantity telephone metadata record callers recipients phone number time durations call content since september 11 2001 attack report come congress face decision whether reauthorize section 702 foreign intelligence surveillance act fisa permit nsa collect foreign intelligence information non-u.s. persons outside unite state schedule expire end year privacy advocate argue section 702 permit nsa spy internet telephone communications americans without warrant secret foreign intelligence surveillance court foreign intelligence could use domestic law enforcement purpose way evade traditional legal requirements report say one occasion 2016 fbi obtain information american response search section 702 data intend produce evidence crime relate foreign intelligence report address frequently fbi obtain information americans investigate foreign intelligence matter however friday nsa say stop form surveillance allow collect digital communications americans mention foreign intelligence target message without warrant new report also come amid allegations recently repeat u.s. president donald trump former president barack obama order warrantless surveillance communications former national security adviser susan rice ask nsa unmask name u.s. persons catch surveillance republican democratic members congressional intelligence committees say far find evidence support either allegation officials tuesday argue 151 million record collect last year tiny compare number collect procedures stop former nsa contractor edward snowden reveal surveillance program 2013 151 million would include multiple call make phone number number people whose record collect also would much small officials say say breakdown many individuals phone record among collect accord report u.s. officials unmask name few americans nsa eavesdrop report 2016 previous year top u.s. intelligence officer report tuesday report say name 1,934 u.s persons unmask last year response specific request compare 2,232 2015 identify request name ground officials say report u.s. intelligence agencies go way make public information u.s. electronic eavesdrop year report continue trajectory toward great transparency provide additional statistics beyond require law say office director national intelligence spokesman timothy barrett nsa collect americans phone record despite law change report