Computer Forensic and Defending A Criminal Case Presentation to the Criminal Law Committee of the Kane County Bar Association.

1. A View From The Defense Perspective The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World February 19, 2009 - Geneva, IL

2. DEFENDING A COMPUTER CRIME CASE The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

3. CHALLENGING GOVERNMENT EVIDENCE PRESENTING DEFENSE EVIDENCE The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

4. ARE YOU DEFENDING A COMPUTER CRIME? The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

5. IS THIS A COMPUTER CRIME? The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

6. IS THIS A COMPUTER CRIME? The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

7. IS THIS A COMPUTER CRIME? The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

8. IS THIS A COMPUTER CRIME? The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

9. IS THIS A COMPUTER CRIME? The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

10. IS THIS A COMPUTER CRIME? The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

11. EXPANDING THE DEFINITION Computer Used To Commit Crime Computer Used To Plan Or Conceal Crime Computer Capable Of Transmitting Evidence Of Crime The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

12. EXPANDING THE DEFINITION Computer Crime = Crime In Which There Might Exist Computer (Digital) Evidence The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

13. WHO CARES? Any Criminal Law Practitioner The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

14. WHO CARES? Illinois Rules of Professional Conduct Rule 1.1(a) (Competence) A lawyer shall provide competent representation to a client. Competent representation requires the legal knowledge, skill, thoroughness and preparation necessary for the representation. The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

15. WHO CARES? ABA Criminal Justice Standard 4-4.1 (a) Defense counsel should conduct a prompt investigation of the circumstances of the case and explore all avenues leading to facts relevant to the merits of the case and the penalty in the event of conviction … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

16. WHO CARES? ABA Criminal Justice Standard 4-6.1(b) Defense counsel may engage in plea discussions with the prosecutor. Under no circumstances should defense counsel recommend to a defendant acceptance of a plea unless appropriate investigation and study of the case has been completed , including an analysis of controlling law and the evidence likely to be introduced at trial. The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

17. ANY OBJECTIONS? The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

18. DEFENDING A COMPUTER CASE Unique Search and Seizure Issues Unique Admissibility Issues Unique Forensic Issues The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

19. GOVERNMENT EVIDENCE Acquisition Analysis Admissibility The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

20. ACQUISITION Fourth Amendment Issues Statutory Issues The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

21. FOURTH AMENDMENT ISSUES Warrantless Searches Search Warrants The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

66. The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

81. The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World Public Provider Non-public Provider Voluntary Disclosure Allowed? Mechanism To Compel Voluntary Disclosure Allowed? Mechanism To Compel Basic Subscriber, Session and Billing Information Only if §2702 (c) exception applies Subpoena §2703(d) order Warrant Yes Subpoena §2703(d) order Warrant

82. The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World Public Provider Non-public Provider Voluntary Disclosure Allowed? Mechanism To Compel Voluntary Disclosure Allowed? Mechanism To Compel Other Transactional And Account Records Only if §2702 (c) exception applies §2703(d) order Warrant Yes §2703(d) order Warrant

83. The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World Public Provider Non-public Provider Voluntary Disclosure Allowed? Mechanism To Compel Voluntary Disclosure Allowed? Mechanism To Compel Opened email, voice mail left with provider; Other stored files Only if §2702 (b) exception applies Subpoena with notice §2703(d) order with notice Warrant Yes Subpoena ECPA does not apply

84. The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World Public Provider Non-public Provider Voluntary Disclosure Allowed? Mechanism To Compel Voluntary Disclosure Allowed? Mechanism To Compel Including email, voicemail in electronic storage >180 days Only if §2702 (b) exception applies Subpoena with notice §2703(d) order with notice Warrant Yes Subpoena with notice §2703(d) order with notice Warrant

85. The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World Public Provider Non-public Provider Voluntary Disclosure Allowed? Mechanism To Compel Voluntary Disclosure Allowed? Mechanism To Compel Including email, voicemail in electronic storage <180 days Only if §2702 (b) exception applies Warrant Yes Warrant

87. ANAYLSIS Lab Issues Examiner Issues Examination Issues The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

88. LAB ISSUES Accreditation Policies/Procedures The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

89. EXAMINER ISSUES Certification Training Expert Qualifications The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

90. EXAMINATION ISSUES Policy/procedure Compliance Internal Review Documentation of Work Abnormalities The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

91. ADMISSIBILITY Relevance Authentication Hearsay Other Objections The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

92. MISSING EVIDENCE What Kind Of Digital Evidence Should The Finder Of Fact From A Competent Investigation? The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

93. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

94. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

95. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

96. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

97. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

98. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

99. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

100. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

101. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

102. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

103. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

104. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

105. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

106. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

107. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

108. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World

109. A DAY IN THE DIGITAL LIFE … The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World Pointing Out Missing Evidence Presenting Exculpatory Evidence

110. CONTACT INFO Craig J. Chval (630) 986-8205 (573) 214-0520 [email_address] www.chvalgroup.com The Chval Law Group, P.C. Digital Lawyers For Today’s Digital World