Digital Forensics Expert Witnesses in Iowa

Digital Forensics, Investigation - Digital forensics, Mobile Forensics, Cellebrite expert, Deepfake Analysis, Digital investigation, Corporate Espionage, Digital expert, Domestic Violence Evidence, Defamation, Extortion & Ransomware, Digital fraud, Data Exfiltration, Scams, Expert Witness Testimony, Slander expert, Stalking expert, Social media investigator

Wanderson Castilho | Digital Forensics & Cybercrime Expert ​Professional Profile ​With over 25 years of experience and a track record of successfully resolving more than 6,000 cases, I provide high-stakes digital forensic analysis and expert testimony for complex litigation. My expertise lies at the intersection of advanced computational science and behavioral logic, specializing in uncovering digital "smoking guns" that traditional investigations often overlook. I bridge the gap between complex binary data and clear, admissible courtroom narratives. ​Core Competencies & Case Experience ​• Complex Data Recovery: Advanced extraction of deleted, encrypted, or fragmented data from mobile devices, cloud environments, and damaged hardware. ​• Cybercrime & Incident Response: Expert investigation into ransomware, data breaches, and sophisticated network intrusions. ​Behavioral Digital Analysis: A unique methodology combining motion data (accelerometer/gyroscope) with digital footprints...

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...