Counterterrorism, counterintelligence, and the challenges of "going dark" :  hearing before the Select Committee on Intelligence of the United States Senate, One Hundred Fourteenth Congress, first session, Wednesday, July 8, 2015. 

 - iii, 93 pages ;  24 cm. 
 - S. hrg. ;  114-739 .
 - United States.  Congress.  Senate.  S. hrg. ;  114-739. .
<br/><br/> Shipping list no.: 2018-0152-P.  CRDP Program record. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>2017393093 
<br/><br/><label>Subjects--Corporate Names: </label><br/>IS (Organization)
<br/><br/><label>Subjects--Topical Terms: </label><br/>Terrorism--Prevention.--United States<br/>Intelligence service--United States.<br/>Electronic surveillance--United States.<br/>Electronic surveillance--Technological innovations--United States.<br/>Terrorists--Recruiting.<br/>Social media--Political aspects.<br/>Privacy, Right of--Government policy--United States.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Legislative hearings.
<br/><br/><label>LC Class. No.: </label>KF26.5  / .I5 2015a 
<br/><br/><label>GPO Item No.: </label>1009-B-07 
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 4.IN 8/19:S.HRG.114-739