Lars is the co-author of the book Digital Forensics for Legal Professionals: Understanding Digital Evidence from the Warrant to the Courtroom, published by Syngess, an imprint of Elsevier Publishing. He is also co-author of the book Digital Forensics Trial Graphics: Educating the Jury Through Effective Use of Visuals”, Published by Academic Press, 2017.

Lars is an EnCase Certified Examiner (EnCE), a Cellebrite Certified Operator (CCO), a Cellebrite Certified Physical Analyst (CCPA), a Certified Telecommunications Network Specialist (CTNS), Certified Wireless Analyst (CWA), a Certified Internet Protocol Telecommunications Specialist (CIPTS), and a Certified Telecommunications Analyst (CTA).

He spoke at the largest annual digital forensics conference, the Computer Enterprise and Investigations Conference (CEIC), in 2011 and 2013, and the EnFuse Conference in 2016 and 2019.

Lars has qualified as an expert witness and testified in both state and federal courts, qualifying as a digital forensics expert, computer forensics expert, cell phone forensics expert, video forensics expert, and a photo forensics expert. He has testified for both the defense and prosecution.

Lars has attended over 400 hours of forensic training and has worked on hundreds of cases involving murder, sexual exploitation, terrorism, rape, kidnapping, intellectual property, fraud, wrongful death, employee wrongdoing and insurance losses among numerous other types of cases.

He provides dozens of Continuing Legal Education (CLE) and Continuing Education (CE) training classes for attorneys and claims professionals across the United States every year.