Ripon, California
Jim Cook — Wireless & Digital Evidence Expert
Nationally Recognized Wireless Expert | Expert Witness | Digital Evidence Analyst
Jim Cook is a nationally recognized wireless expert with over 40 years of experience in the
telecommunications industry. He specializes in the analysis of digital evidence for both criminal and civil cases, offering unmatched expertise in all carrier billing formats and data records.
Mr. Cook works closely with law enforcement agencies and attorneys, providing strategic guidance on how to maximize available evidence from:
Through comprehensive analysis and mapping, Mr. Cook produces clear, visual representations of device activity and location data tied to specific events or timeframes. He is also a seasoned expert witness who translates complex technical findings into clear, understandable language for judges and juries.
Mr. Cook has testified in a wide range of cases, including:
His expertise has been pivotal in both state and federal court proceedings.
Mr. Cook’s work has been recognized with the HTCIA International “Case of the Year” Award in 2011 (People vs. Bulos Zumot) and 2015 (State of Texas vs. George De La Cruz). He has also been featured in Law Enforcement Technology Magazine and appeared on On the Case with Paula Zahn in the episode “Texts, Lies, and Videotape.”
As a certified P.O.S.T. and ICI instructor, Mr. Cook teaches at the South Valley, Sacramento, and San Diego Regional Training Centers, as well as for the California District Attorneys Association (CDAA). He is an active member of the High Technology Crime Investigation Association (HTCIA) and the Scientific Working Group for Digital Evidence (SWGDE).
Mr. Cook’s forensic team also provides advanced mobile and digital data recovery, including unlocking and extracting data from cellular phones and other devices to support investigations and litigation.
Education & Technical Training:
For consultation or case review inquiries, contact Mr. Cook directly.