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Expert Bio

Primary Area of Expertise

Cellular Evidence Analysis

Expert Witness Profile

Jim Cook is a Wireless Expert with over 32 years of experience in the Cellular Industry. He is versed in all Carrier Billing Formats, and makes recommendations to Law Enforcement and Attorneys (in Civil Matters) on ways to maximize the evidence available from Cellular Phones, the carrier/service providers, social media, IoT (internet of things) data, vehicle infotainment/telematics data, and video. Mr. Cook then analyzes the data and maps the activity associated with the device(s). The mapping provides a graphic representation of the records showing the location of device(s) during a specific event or period of time. When Mr. Cook testifies in Court, he has the ability to explain the technical aspects of how a cellular phone operates, and to interpret the various types of Records to a jury so that a lay person can understand it.

Mr. Cook has testified in a wide range of cases including Hit-and-Run, Auto Accidents, Domestic Violence, Rape, Robbery, Arson, and Homicide, in both State and Federal Court where Cellular Phone data and records were a key piece of evidence.

Mr. Cook was a 2011 and 2015 recipient of the HTCIA International "Case of the Year Award" (2011 - "People vs. Bulos Zumot" and 2015- "State of Texas vs. George De La Cruz") and Featured in "Law Enforcement Technology Magazine" May 2011 issue. He also did the analysis, mapping and testified in the case People vs. Jason Gilley which Det. Brad Burrell of the Stockton Police Department received the Investigative Excellence Award at the 2014 Detective Symposium. He is a P.O.S.T./ICI Instructor for the South Valley, Sacramento, San Diego Regional Training Centers, and is an instructor for CDAA (California District Attorney Association). He has also been an instructor at the 2009 Sexual Assault Investigators Association Conference, the 2010, 2011, and 2014 Detective Symposium, 2012 SAREX, the 2014 - 2018 CDAA-Digital Evidence Symposium, the 2015, 2016 CDAA-Fraud Symposium, and the 2011, 2012, 2013, 2016 and 2016 HTCIA International Conference. He is a member of HTCIA (High Technology Crime Investigation Association).

In addition, Mr. Cook's company has the ability to unlock numerous devices and provide device and vehicle infotainment/telematics exams. Vehicle infotainment/telematics systems can contain a wealth of data (e.g. GPS location of a vehicle when a door is opened or closed, text message content, call logs, braking events, parking events, gear shifting events to name a few - complete with GPS location, date and time, etc.). Many vehicles manufactured in 2008 and newer are supported by the forensics tool, but not all. For more detailed information, give Mr. Cook a call.

Education & Licenses

Carrier training by AT&T, Verizon, Sprint/Nextel, Boost, Metro PCS, Cricket, T-Mobile, GTE, Contel, Pac-Tel Cellular, Cingular, Airtouch to name a few and is versed in all Carrier billing formats and Network operations. In addition manufacture training by Motorola, Fujitsu, Nokia, Samsung, LG, RIM, Ericsson, Technocel, and Shintom.