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Social Media Investigation for Law Enforcement

Overview

Social Media is becoming an increasingly important—and controversial—investigative source for law enforcement. This project provides an overview of the current state of digital forensic investigation of Facebook and other social media networks and the state of the law, touches on hacktivism, and discusses the implications for privacy and other controversial areas. The authors also point to future trends.

About Forensic Studies for Criminal Justice: The Forensic Studies for ...

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Social Media Investigation for Law Enforcement

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Overview

Social Media is becoming an increasingly important—and controversial—investigative source for law enforcement. This project provides an overview of the current state of digital forensic investigation of Facebook and other social media networks and the state of the law, touches on hacktivism, and discusses the implications for privacy and other controversial areas. The authors also point to future trends.

About Forensic Studies for Criminal Justice: The Forensic Studies for Criminal Justice series consists of short-format content on new developments, unique perspectives, or how-to information on areas in forensic science—all specifically designed to meet the needs of the criminal justice community. Instructors wishing to provide their students with more in-depth coverage on certain forensic areas can add these digestible, inexpensive works to their syllabi without having to completely redesign their course, introduce overly complex material, or financially overburden their students. Law enforcement and other criminal justice professionals will find a wealth of valuable information to improve training sessions. Written by experts in the disciplines they are covering and edited by a senior scholar in criminal justice, Forensic Studies for Criminal Justice opens up the world of forensic science to the criminal justice community.

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Editorial Reviews

From the Publisher
"This project provides an overview of the current state of digital forensic investigation of Facebook and other social media networks and the state of the law, touches on hacktivism, and discusses the implications for privacy and other controversial areas. The authors also point to future trends."-- The Journal, Fall/Winter 2013
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Product Details

  • ISBN-13: 9781455731350
  • Publisher: Taylor & Francis
  • Publication date: 12/14/2012
  • Edition description: New Edition
  • Pages: 128
  • Sales rank: 752,799
  • Product dimensions: 5.80 (w) x 9.00 (h) x 0.50 (d)

Meet the Author

Joshua L. Brunty is Assistant Professor of Digital Forensics at Marshall University . Josh holds numerous certifications within the digital forensics discipline including: AccessData Certified Examiner (ACE), Computer Hacking Forensic Examiner (CHFI), Seized Computer Evidence Recovery Specialist (SCERS), Certified Malware Investigator, Certified Steganography Examiner, and is certified by the National Security Agency in Information Assessment Methodology (NSA-IAM). He is a member of the Institute of Computer Forensics Professionals (ICFP), the Mid-Atlantic Association of the High Technology Crime Investigation Association (HTCIA), the Digital-Multimedia Sciences section of the American Academy of Forensic Sciences (AAFS), the West Virginia Cyber Crimes Task Force, and the West Virginia Chapter of FBI INFRAGARD.

Katherine Helenek holds a Master’s of Forensic Science specializing in Digital Forensics, Forensic Chemistry, and Crime Scene Investigation from Marshall University. She is an AccessData Certified Examiner (ACE) and a member of the Appalachian Institute of Digital Evidence (AIDE). She is now a Forensic Examiner with Digital Intelligence.

Larry S. Miller is Distinguished Professor and Chair of Criminal Justice and Criminology at East Tennessee State University (ETSU). He received his Bachelor of Science from ETSU, a Master of Science from Eastern Kentucky University, and his Ph.D. in Health & Safety with collaterals in Forensic Anthropology and Criminology from The University of Tennessee. Miller, who has worked as a police officer, criminal investigator, and crime laboratory director, teaches in the area of law enforcement and is the author of several books on topics including criminal investigation, criminal justice report writing, police photography, and more.

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Read an Excerpt

Social Media Investigation for Law Enforcement


By Joshua Brunty, Katherine Helenek

Elsevier Science

Copyright © 2013 Elsevier Inc.
All rights reserved.
ISBN: 978-1-4557-3162-6


Excerpt

CHAPTER 1

Introduction to Social Media


When we think about social media, a few things immediately come to mind: Facebook, friends, games, Twitter, Internet, iPhone. We are all familiar with social media in one form or another. Television shows advertise their Facebook page containing games and program information. News stations broadcast opinionated Tweets from Twitter regarding current events. Businesses connect with customers through foursquare so that fans can receive deals and companies may advertise to a specific audience. There are many popular social media sites today which vary in their uses, all the way from fundraising for charities to creating a centralized database of information, from CouchSurfing.org, which lets members find places to stay while traveling, to partyflock.nl, a Dutch community for people interested in house music. Although we are all familiar with what is considered social media, many are unfamiliar with the definition of social media and what exactly differentiates social media from other forms of media.


1.1 DEFINITION OF SOCIAL MEDIA

According to Boyd and Ellison (2007), social networking sites are "web-based services that allow individuals to (1) construct a public or semi-public profile within a bounded system, (2) articulate a list of other users with whom they share a connection and (3) view and traverse their list of connections and those made by others within the system" (p. 211).

By breaking down this definition and building on it, we can define what exactly constitutes social media. A social medium allows the user to create a profile within the site; this may consist of a personal picture, screen name, e-mail address, avatar, symbol or other depiction. The profile gives users a specific and unique identification so that other members may identify him from all other members on the system. Once users have created a unique profile, they may find and connect with other members on the site. This includes friends or acquaintances from the real world, and may extend to users met through the site itself. Once the user has connected with others on the site, it may be possible to see not only his own connections made through the site but connections that other members have also made within the system. Viewing of other member's connections depends on how the social site is designed and what privacy settings users have enabled.

Building on Boyd and Ellison's definition, we can further define social media. A social medium (4) encourages its users to communicate with other users who are a part of that network and/or the site creators themselves, and (5) creates an environment for users to share content and/or connect through their similar interests. Many social media sites offer different ways for users to communicate with one other: instant messaging, e-mailing, real-time video or voice chatting. One of the goals and thus a characteristic of a social medium is a sense of community among users. Members of a site are able to distribute and share their content with one another, or may be able to unite through similar interests and hobbies.


1.2 A VERY BRIEF HISTORY OF SOCIAL NETWORKING

Ever played the game "Six Degrees of Kevin Bacon?" A random individual is chosen and the players try to make a connection from the selected person to actor Kevin Bacon in six links or less. As arbitrary as the number six seems for this game, it actually comes from a scientific theory. An Italian inventor, Guglielmo Marconi, through his research and experiments of wireless telegraphy, postulated that any two people throughout the world should be linked by a chain of 5.83 intermediaries or less (Hayes, 2000).

According to Boyd and Ellison's definition along with our own additions, the first social network was SixDegrees.com, originally launched in 1997. The idea behind SixDegrees was to promote social associations and business contacts. A user became part of the network by filling out the information form and listing ten e-mail addresses of associates. Contacts were ordered by degrees, so one was able to see his first-degree contacts, second-degree contacts, eventually leading to the sixth degree, which included the entire SixDegrees.com network. It consisted of electronic bulletin boards, e-mailing and online messaging. There was also an internal search engine which allowed users to search and find others with similar interests (Bedell, 1998). It was the first web site to combine successful features from other popular sites to create a social network. It also included profiles, which were normal on dating or community sites, buddy lists from chat programs and networks that high schools and colleges commonly used, such as Classmates.com (Boyd and Ellison, 2007) (Fig. 1.1).

As the Internet continues to expand and improve, social media sites develop and grow as well, attempting to reach high popularity among users and attract more participants. This growth continues in the present, where social media sites are an everyday part of our lives.


1.3 TYPES OF SOCIAL MEDIA

There is currently a wide variety of social media available on the Internet, each designed for different purposes. Some sites promote an environment for all users, while others create a place for people with specific and/or similar interests. Social media sites have been categorized to explain their uses and purposes in a descriptive manner. These categories include collaborative projects, blogs and microblogs, location-based, content communities, social networking sites, virtual game worlds, virtual social worlds and dating sites (Kaplan and Haenlein, 2010). Many of the different types of social media sites will synchronize with one another so users can interact through multiple social media interfaces simultaneously.


1.3.1 Collaborative Projects

Collaborative projects encourage users to contribute to the content of the site. All users are essentially writers, editors and proofreaders; any member can be involved in the project to help assist in the final outcome of the collaboration.


1.3.1.1 Wikipedia

Wikipedia is a free-content online encyclopedia project, where any user may add information to subject pages in order to increase the knowledge database. Articles are continually created and updated, allowing users to have up-to-date written and stored information about events in a matter of minutes rather than weeks or years. Each article contains links which cross-reference additional articles about an associated subject. These connected articles allow users to quickly find related information regarding a specific subject. Since any user may update an article, there are concerns regarding accuracy; many errors may be found in the encyclopedia. Wikipedia states that "the ideal Wikipedia article is well-written, balanced, neutral and encyclopedic, containing comprehensive, notable, verifiable knowledge." Pages and articles are actually edited, discussed and debated among users, eventually taking on a neutral point of view reached through a general consensus ("Wikipedia: About," n.d.).


1.3.2 Blogs and Microblogs

The term "blog" comes from Jorn Barger who, in 1997, published a series of links in reverse chronological order, naming it Robot Wisdom WebLog. Users started referring to other sites containing posts in reverse chronological order as WebLogs as well. An online journalist then split the word "WebLog" into "We Blog," coining the use of the common term "blog." Microblogging developed a few years later, consisting of smaller and shorter blog posts (Carvin, 2007).

Blogs and microblogs give users a chance to express their personal thoughts and opinions on a wide variety of subject matters. The textual content varies from both nonfictional and fictional articles to journal entries and short stories; content often includes streaming video, audio and photographs. A very popular microblog these days is Twitter.


1.3.2.1 Twitter

Twitter is a web site which allows users to post on a real-time information network. The community is open to everyone from all demographics, and is often used by celebrities; it is a place where members connect to the latest stories, ideas, opinions, and news. Each post is known as a Tweet, which is 140 characters long at the most ("About Twitter," n.d.). By March 2012, Twitter's sixth birthday, more than 340 million tweets were posted each day – that is more than one billion tweets every three days (@twitter, 2012).


1.3.3 Location-Based

Location-based social media sites and applications allow users to tag their geographical location. Members can check into specific stores, helping businesses advertise, distribute coupons and attract more customers.


1.3.3.1 Foursquare

Foursquare is a popular example of a location-based social medium. Users "check in" at a location, which lets them discover what specials are offered along with other possible attractions nearby. Businesses commonly place coupons and deals on foursquare, giving members the opportunity to save money and hopefully inspire their friends to join them. A certain competitive aspect exists on the site, making the user who checks in the most at a single location the "mayor" of the check-in point. If another user checks in more times than the current mayor, he can be ousted from office and a new mayor is then declared ("About foursquare," n.d.).


1.3.4 Content Communities

Content communities are social media sites that allow users to share all different types of content with one another. This may include photographs, articles, short stories, videos, games and presentations.


1.3.4.1 YouTube

YouTube was founded in February 2005 and lets users watch and share videos ("About YouTube," n.d.). YouTube's vision is to give every member a voice and support the evolution of video. As of June 2012, forty-eight hours', or two days', worth of video is uploaded each minute, resulting in nearly eight years of content uploaded every day ("Frequently," n.d.). The following site automatically displays the most popular videos (n.d.) from different categories on YouTube: http://www.youtube.com/topic/4qRk91tndwg/most-popular.


1.3.4.2 4chan

4chan originally started as a project founded by the administrator "moot." It is an image-based bulletin board where users post comments and share images about all different topics, which has been growing ever since its development. The site wants users to contribute by adding images and posting comments to the boards which are substantial, helpful, friendly and humorous ("4chan," n.d.).


1.3.5 Social Networking Sites

Social networking sites are probably the most well-known type of social media. Facebook is a household name that is now anywhere and everywhere. Social networks require users to create a profile with a variety of content and then connect with other members. The key difference between a social medium and a social network comes down to the fact that social networks focus on the relations between members. Ties and connections between users add together and expand to create a social network. It then becomes possible to identify certain groups and subsets of members, along with the strength of specific relationships according to the types of exchanges, frequency of contact, intimacy or duration of connections (Haythornthwaite, 2005, p. 127).


1.3.5.1 Facebook

Facebook lets users simply and easily sign up to become members, create profiles and then connect with friends and acquaintances. The profile normally consists of a profile picture, contact information, photographs, statuses, work, education, interests, hobbies and friends.

Members can stay in contact with friends and family, discover what is happening in the world, and share and express what matters to them. Facebook offers a variety of interfaces in which to communicate with other friends: timeline, activity log, news feed, photos, video, groups, messages, events, subscribe, ticker and pages (Press@fb.com, n.d.a). Facebook reported 901 million active users monthly as of the end of March 2012, about 80% of which were located outside of the United States and Canada (Press@fb.com, n.d.b).

The Social Network (2010), a popular movie released in 2010, chronicles the creation and development of Facebook by Harvard student Mark Zuckerberg. A trailer for the movie can be found here: http://www.youtube.com/watch?v=lB95KLmpLR4. The film reveals many of the issues that transpired during the site's launch; the many problems that occurred during the start-up may surprise members who are unaware of the history of Facebook.
(Continues...)


Excerpted from Social Media Investigation for Law Enforcement by Joshua Brunty. Copyright © 2013 by Elsevier Inc.. Excerpted by permission of Elsevier Science.
All rights reserved. No part of this excerpt may be reproduced or reprinted without permission in writing from the publisher.
Excerpts are provided by Dial-A-Book Inc. solely for the personal use of visitors to this web site.

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Table of Contents

Preface vii

Acknowledgements ix

Chapter 1 Introduction to Social Media 1

1.1 Definition of Social Media 1

1.2 A Very Brief History of Social Networking 2

1.3 Types of Social Media 3

1.4 Social Software Building Blocks 9

1.5 Accessing Social Media 11

1.6 Conclusion 13

References 14

Chapter 2 How Social Media Is Used 17

2.1 How Social Media Is Commonly Used 17

2.2 Criminal Uses of Social Media 21

2.3 Conclusion 36

References 37

Chapter 3 Investigative Uses of Social Media 41

3.1 Introduction 41

3.2 Leveraging the "Wave" - Utilizing Social Media for Official Department Use 41

3.3 The Usage of Social Media in the Course of Criminal and Civil Investigations 53

3.4 Understanding the "Forensics" of Social Media Evidence 63

References 68

Chapter 4 Social Media and the Law: Legal Considerations 71

4.1 Introduction 71

4.2 Social Media and the First Amendment - A Changing Landscape 72

4.3 Search and Seizure of Social Media - A Legal Perspective 77

4.4 Utilizing Criminal Procedure to Obtain Social Media Evidence 77

4.5 Capturing of Social Media Evidence - Legal Considerations 82

4.6 Conclusion 85

References 86

Chapter 5 Moving Forward 89

5.1 Investigative/Intelligence Changes 89

5.2 Monitoring of Criminal Activity via Social Media 90

5.3 Future Legislation 90

5.4 Negative Effects of Social Media 91

5.5 Proliferation of Social Media 91

5.6 Challenges that Lie Ahead 92

5.7 Conclusion 92

Reference 92

Appendix 1 Sample Social Media Preservation Letter Request 93

Appendix 2 Sample Social Media Subpoena Request 97

Appendix 3 Sample Social Media Court Order 99

Appendix 4 Media Emergency Disclosure Request Form 101

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