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Cell Phone Forensics, What Exactly is That?

February 20, 2017

At Gregg Tex Investigations, we offer services you would find at most private investigation agencies, but we also specialize in cell phone and computer forensics.  As cell phone ownership has grown to 9 in 10 Americans, the task of recovering lost or deleted information, evidence of infidelity or even geo location data has grown to a new high.  

Mobile device or cellular telephone forensics refers to the recovery of data or digital evidence from a mobile device under forensically sound conditions, meaning the examiner does not alter, change or write to the data in any way.  This is important for evidence to be admitted in court.  


Ok, cool right?  Let’s get to the important stuff that we’re asked a lot- what data can we actually recover.  We utilize two different forensic tools and then compare the data between the two to make sure we’ve obtained everything that is available.  Generally speaking, we usually recover, whether iOS or Android:


Device information




Geo Location data

Text messages (SMS/MMS)


Web browsing history and bookmarks





We often can recover deleted MMS/SMS and iOS Messenger messages and we can create timelines and social graphs showing who is communicated with the most.  Additionally, both tools we use at GTI will detect the presence of spyware to let us know if someone has been monitoring your communications.  


Could you screenshot stuff and bring it to family court in your own divorce case and show the nasty messages your estranged spouse has been sending you?  Sure you could.  Would it be admitted as evidence, maybe yes and maybe no depending on the court.  We’ve seen courts where anything goes and other courts where only a forensic examination will suffice.  


We’ve been hired in a variety of cases, to include family law, criminal, data recovery and worried parents who need to know what is going on with their children.  We do work for prosecution and defense, civil family law and civil plaintiff's work.  We have even extracted and examined phones for corporations and hospitals concerned with information leaks by employees using employer owned devices.  

Call our team for help with your digital evidence.



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Primary Location: 441 North Fredonia Longview, Texas 75601

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Tel: Longview/Tyler 903-309-1719

      Dallas 214-224-0447

Licensed by the Texas Department of Public Safety A19034