Mobile Device Forensics Expert Witnesses

Fort Lauderdale, Florida

Digital Forensics, Cybersecurity - Incident Response, Mobile device forensics, Cloud forensics, Ransomware investigations, Insider threat & data exfiltration, Email compromise investigations

Digital Forensics Examiner & Expert Witness (Computer & Mobile) with 20+ years’ experience and prior law-enforcement service, including work with the U.S. Secret Service Cyber Task Force. I help counsel in civil and criminal matters preserve, collect, analyze, and explain digital evidence from computers, mobile devices, and cloud sources, using defensible, repeatable methods aligned to chain-of-custody and Daubert/Frye standards. Litigation specialties: iPhone/Android extractions (texts, iMessage, WhatsApp, photos, location, app usage), Windows/macOS analysis (deleted files, timelines, browser/USB artifacts), email and cloud (M365, Google Workspace, iCloud/Drive/OneDrive/Dropbox), metadata/authentication (hashing, EXIF, document properties), timeline reconstruction, spoliation and deletion analysis, rebuttal reports, and testimony. How I support attorneys: tailored ESI collection plans and protocols, neutral/party examinations, clear court-ready reports, deposition and trial testi...

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...

Knoxville, Tennessee

Digital Forensics, Law Enf & Criminal Justice - Digital forensics, iPhone forensic analysis, Deleted data recovery (mobile), Mobile device forensics, Android forensic analysis, Mobile device metadata, Cell phone extraction analysis, Text message analysis, Location data analysi, Metadata analysis, Call detail record analysis, Smartphone data extraction, App data analysis

Experienced digital forensics consultant and former law enforcement supervisory detective with two decades of investigative expertise, specializing in complex digital evidence analysis, criminal investigations, and strategic case review. Hands-on experience completing forensic extractions on more than 2,000 cellular devices, reviewing call detail records, analyzing Base Transceiver Station Activity Dumps, and examining records obtained from electronic service providers. Additionally, responsible for the technical setup and execution of the first lawful interception conducted under State of Alaska authority. Recognized by the Alaska Court System as an expert in cellular forensics and testified in that capacity at least a twelve times. Also recognized as an expert in the field of drug distribution, testifying in that capacity more than 2 dozen times. Experience as a primary case agent managing major felony investigations, including homicides, sexual assaults, kidnappings, white-c...

The Woodlands, Texas

Digital Forensics, Technology - Computer forensics, Cellular forensics, Audio forensics, Video forensics, E-Discovery, Expert reports, Intellectual property, Data exfiltration, Trade secrets, Spoliation, Mobile device forensics, Cloud forensics, Metadata analysis, Electronically Stored Information (ESI), Deleted data recovery, Photo forensics (w/AI detection)

Jerry Hatchett is the Founder and President of Red Forensic, a digital forensics and electronic discovery consulting firm serving attorneys, corporations, governmental entities, and courts throughout the United States. He has worked full-time in digital forensics since 2003 and is retained as both a consulting and testifying expert in civil and criminal litigation involving electronically stored information (ESI), computers, mobile devices, cloud data, forensic audio, and forensic video. Mr. Hatchett has been engaged in matters involving trade secret theft, intellectual property disputes, departing employees, data exfiltration, spoliation of evidence, electronic intrusion allegations, HIPAA matters, antitrust litigation, breach of contract, employment disputes, bankruptcy, fraud, embezzlement, criminal investigations, and complex commercial litigation. His work frequently involves forensic acquisition, reconstruction of user activity, authentication of digital evidence, detection...