Geolocation Expert Witnesses

Los Angeles, California

Telecommunications, Technology - Cellular Analysis, Cellphone, Wireless, CDR (Call Detail Records), GPS, Timing Advance, Network, IoT, 3G/4G/5G, Connected Cars, WiFi, Geolocation, VoIP, Call Logs, Mobile, Tracking, Social Media, National Asset, CAST (Cellular Analysis Survey Team), FBI

Every call, text, and digital interaction leaves a trace. While raw cellular data can appear chaotic and difficult to interpret, when properly analyzed it tells a clear and powerful story. Through Overwatch Analysis, complex technical records are transformed into understandable, defensible, and persuasive evidence suitable for courtroom presentation. My name is Jeff Bennett, and I am a retired Special Agent with the Federal Bureau of Investigation and a former National Asset of the FBI’s Cellular Analysis Survey Team (CAST). I bring more than 25 years of frontline investigative experience specializing in cell phone location analysis, call detail record interpretation, and digital geolocation evidence. Over the course of a 22-year FBI career, I worked thousands of violent crime investigations across the United States, where the strategic exploitation of cellular and digital data was consistently critical to resolving cases efficiently and accurately. In 2019, I was selected as a CA...

Tampa, Florida

Telecommunications, Internet - Telecommunications, Ecommerce, Multimedia, Internet, Patent Technology, Computer and Network Software, Wireless and Mobile Communication, Messaging Systems, Speech Recognition, Geolocation, Supply Chain, ERP, POS, Card Services, Digital Media, Electronic Transactions, Social Media, Gaming

Mr. Ivan Zatkovich is a computer scientist and technology consultant with over 30 years of experience in telecommunications, financial transactions, and payment processing systems. Before beginning his career, he obtained his BS in computer science and his MS in computer networks from the University of Pittsburgh. Today, he is a certified e-commerce solution expert by IBM Websphere, who has been widely published in his field. He has published programming techniques and tutorials for Sync Magazine, network design articles for Byte Magazine, and a proposal for internet forensics technology for the Department of Justice. This expert has also served as an industry speaker on internet publishing standards at the Momentum conference and as a consultant on international ISO and national ANSI committees for disk and media format standards. Formerly, he served as a software engineer for Digital Equipment Corp., as a project manager in telecom software for GTE Data Services, as a director in ...

Iowa City, Iowa

Digital Forensics, Computers - Cellular Radio Forensics, Mobile Devices, Mobile Device Forensics, Cellular Radio Forensic Survey, CLSI, Geolocation, GPS, WiFi, Windows Forensics

Kristofer S. Lyon is a digital forensics expert specializing in mobile device forensics, cellular network analysis, and geolocation evidence. He is the Founder and Principal Consultant of Lyon Digital Forensics and a Digital Forensics Consultant with Manzo Digital Forensics, where he analyzes evidence from mobile phones, computers, and GPS equipment; processes and plots geolocation data from call detail records; and prepares detailed forensic reports for legal teams. Since 2018, he has also served as a Digital Forensics Specialist with the Iowa Office of the State Public Defender, where he founded a DOJ grant-funded statewide program assisting attorneys with device extractions, cellular records, and other complex digital evidence. Lyon has testified as an expert witness in numerous Iowa jury trials, including multiple first-degree murder cases, on topics such as mobile device extractions and call logs, cellular geolocation and time-of-flight data, link analysis, iOS application log...