Directory

Profile

Professor Visger possesses 20 years of legal practice as an Army JAG (Judge Advocate General) focused on military criminal law.

Professional activities and affiliations

• Licensed to Practice Law by Supreme Court of Ohio, United States Supreme Court and Court of Appeals for the Armed Forces
• Lieutenant Colonel (Retired), U.S. Army

Research interests

• Cyber law
• Criminal law
• International law

Courses taught

• Cyber law

Selected publications and presentations

PUBLICATIONS

Garbage In, Garbage Out: Data Poisoning Attacks and their Legal Implications, book chapter in Big Data and Armed Conflict: International Legal Issues Above and Below the Armed Conflict Threshold (Laura Dickinson, ed., 2023), Oxford University Press (forthcoming).  

Seeing and Connecting the Dots: Legal Challenges to Countering Foreign Cyberattacks from within U.S. Domestic Cyberspace, 24 North Carolina Journal of Law & Technology 84 (2022). 

The Canary in the Military Justice Mineshaft: A Review of Recent Sexual Assault Courts-Martial Tainted by Unlawful Command Influence, 41 Mitchell Hamline Law Journal of Public Policy and Practice 60 (2020). 

Responding to the Call for a Digital Geneva Convention: An Open Letter to Brad Smith and the Technology Community, Journal of Law & Cyber Warfare, Winter 2019 at 3 (co-authored with Colonel David Wallace).   

The Use of Weaponized “Honeypots” under the Customary International Law of State Responsibility, The Cyber Defense Review, Summer 2018 at 33 (co-authored with Colonel David Wallace).   

Peeling Back the Onion of Cyber Espionage after Tallinn 2.0, 78 Maryland Law Review 205 (2018) (co-authored with Colonel David Wallace & Professor Amy McCarthy).   

Civilian Court-Martial Jurisdiction and U.S. v. Ali: A Re-examination of the Historical Practice, 46 Texas Tech Law Review 1112 (2014). 

The Impact of Ring v. Arizona on Military Capital Sentencing, The Army Lawyer, Sept. 2005 at 54. 

PRESENTATIONS

Cyber Operations Technical Foundations Course, U.S. Military Academy, 2022 & 2023 (organizer and presenter). 

Military Activity in Cyberspace Legal Panel, Warsaw (Poland) Cyber Summit, War Studies University Warsaw, 2021 (panelist) (virtual).  

Cyber Deterrence Requires a ‘Difficult’ Deterrence Framework, Cybersecurity Law and Policy Scholars Conference, 2021 (paper commenter) (virtual). 

Operational Cyber Law, Featured Panel, CyCon U.S. Int’l Conference on Cyber Conflict, Arlington, VA, 2019 (panel moderator).   

What Constitutes an Act of War in Cyberspace? Featured Panel, Journal of Law & Cyber Warfare Symposium, Cardozo Law School, 2017 (panel moderator). 

Distinction – Marking and Attribution, Lieber Institute Workshop on The Impact of Emerging Technologies on the Law of Armed Conflict, U.S. Military Academy, 2017 (panel moderator). 

Law Enforcement: Electronic Surveillance, Albany Law Journal of Science & Technology Cybercrime/Cybersecurity Symposium, Albany Law School, 2017 (panelist). 

Drone Warfare and the Future of Privacy, Cornell Law School, 2016 (panelist).