Expert Details

Cell Phones: Cell Phone Records (CDRs), Cell Phone Forensics, Cell Site Analysis (CSA)

ID: 735420 Texas, USA

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Expert has been working with cell phones extensively for over 18 years, and has been hired as an expert in dozens of cases in state and Federal courts. He served 20 years with the Houston Police Department, including 17 years in investigative assignments and nearly 10 years as an investigative supervisor. While working as a homicide investigator for nearly six years, he developed a specialty with cell phones that led to him creating and supervising a dedicated unit to obtain, interpret, analyze, map, and surveil cell phones, in addition, to extensively testifying in major criminal prosecutions. He also supervised the Digital Forensic Lab (DFL).

After retiring from the Houston Police Department in 2015, he now splits his time between providing cell phone-related law enforcement training and providing expert consulting and witnessing services. He also continues to work in this field as a police officer acting as a volunteer sworn investigator for the Kendall County District Attorney's Office just outside San Antonio, Texas.

Education

Year Degree Subject Institution
Year: 2015 Degree: Master of Science Subject: Criminal Justice Institution: Sam Houston State University
Year: 2015 Degree: Master of Science Subject: Technology Commercialization Institution: The University of Texas at Austin
Year: 2013 Degree: Bachelor of Arts Subject: Government Institution: The University of Texas at Austin
Year: 2025 Degree: JD Subject: Law Institution: Mitchell Hamline School of Law
Year: 2026 Degree: LL.M. Subject: Trial Advocacy Institution: Temple University

Work History

Years Employer Title Department
Years: 2005 to Present Employer: Undisclosed Title: CEO / Lead Trainer Department:
Responsibilities:
Oversee law enforcement training company which focuses on cell phone-related training around the country. Act as the lead instructor, develop lesson plans and training materials, and, provide training on a regular basis.
Years Employer Title Department
Years: 2013 to Present Employer: Undisclosed Title: CEO / Lead Expert Department:
Responsibilities:
Provide expert consulting and witnessing services to law enforcement and to civil cases.
Years Employer Title Department
Years: 2016 to Present Employer: Undisclosed Title: CEO / Lead Training Department:
Responsibilities:
Occasionally provide law enforcement training related to criminal investigations.
Years Employer Title Department
Years: 2016 to Present Employer: Undisclosed Title: CEO / Lead Private Investigator Department:
Responsibilities:
Formed separate company in order to provide cell phone forensic services in Texas as it is required to be a licensed private investigator (PI) working for a licensed PI company. Expert is a licensed Texas PI and the company is a licensed and insured Texas PI company.
Years Employer Title Department
Years: 1995 to 2015 Employer: City of Houston Title: Police Cadet, Officer, and, Sergeant Department: Police Department
Responsibilities:
Spent twenty years as a police officer including approximately three years as a patrol officer/sergeant and seventeen years as an investigator (including nearly ten years as an investigative supervising sergeant). Had assignments in undercover narcotics, domestic violence, murder investigator for nearly six years, and general investigations. Also created and supervised a dedicated cell phone unit and supervised the Digital Forensics Lab (DFL).
Years Employer Title Department
Years: 2018 to Present Employer: Undisclosed Title: Investigator Department: Criminal District Attorney
Responsibilities:
Act as a volunteer investigator for a district attorney's office just outside San Antonio, Texas. Provide assistance to local police officers and investigators, as well as, prosecutors and staff.

Additional Experience

Expert Witness Experience
Expert has been retained on dozens of cases nationwide, in both state and Federal courts. He has produced numerous expert reports and has testified in over 50 criminal and civil trials, hearings, and depositions as a cell phone expert.

Career Accomplishments

Associations / Societies
American Academy of Forensic Sciences (AAFS) Full Member, National Technical Investigators' Association (NATIA), and, Texas District and County Attorney's Association (TDCAA)
Licenses / Certifications
• License Basic, Intermediate, Advanced, and, Master Peace Officer in Texas, 2016 to Present
• Licensed Basic and Advanced Law Enforcement Instructor in Texas
• Certified Technical Investigator (CTI) from the National Technical Investigators' Association (NATIA)
• Former Top Secret, Sensitive Compartmented Information (TS-SCI) Clearance held through the United States Department of Defense (DoD) (eligible for renewal)
Awards / Recognition
Over 60 commendations during law enforcement career including a patrol officer of the year recognition and recognition by the Governor of Texas with a Texas Commission on Law Enforcement (TCOLE) Professional Achievement Award.

Fields of Expertise

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