Phone Lookup

About Leads Toolbox

LeadsToolbox is a FREE resource for anyone who works with cell phones, Call Detail Records (CDRs) and geo-location data.  We are continuously updating this website with the tools and information you need for chasing phones.

This includes:

  • A FREE Phone Lookup Tool(Find the service provider & possible subscriber for any phone number, print customized preservation letters and search warrants.)
  • Carrier Compliance Center Information(Find relevant documentation about carriers and their record formats)
  • Additional Legal Templates (Find other pertinent legal templates related to chasing phones)
  • Law Enforcement Technology Investigations Resource Guide (LETIRG)
  • News & Events Related to chasing phones (See the latest news below)
  • Investigative Resources
  • Frequently Asked Questions
  • Training Materials
  • and much more…

News & Events

Free LeadsOnLearning Webinar – Revival Series: T-Mobile Carrier Breakdown

Posted by Samantha Roussel
Much has changed with the common files T-Mobile provides in response to legal demand, and what those files mean to your analysis has changed since we did our original carrier Breakdown Series.  Join us for a FREE webinar to learn all you need to know about T-Mobile’s changes in regards to your cases. WHO:  Law Enforcement ...
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Attorney General Bonta Announces $93 Million Settlement Regarding Google’s Location-Privacy Practices

Posted by Samantha Roussel
September 14, 2023 | State of California – Department of Justice | Press Release | Contact: (916) 210-6000, OAKLAND — California Attorney General Rob Bonta today announced a $93 million settlement with Google resolving allegations that its location-privacy practices violated California consumer protection laws. The settlement follows a multi-year investigation by the California Department of Justice ...
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Are Your iPhone’s Location Services a Convenience or Concern?

Posted by Samantha Roussel
September 14, 2023 | By Hiba Fiaz | Make Use Of | Your iPhone’s Location Services feature has its fair share of pros and cons, making it essential to strike a balance between privacy and convenience. Key Takeaways: – Your iPhone uses a variety of methods, such as GPS, cell tower triangulation, and Wi-Fi positioning to determine your ...
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Apple and Google Are Introducing New Ways to Defeat Cell Site Simulators, But Is it Enough?

Posted by Samantha Roussel
September 13, 2023 | By Cooper Quintin | Electronic Frontier Foundation (EFF) | Cell-site simulators (CSS)—also known as IMSI Catchers and Stingrays—are a tool that law enforcement and governments use to track the location of phones, intercept or disrupt communications, spy on foreign governments, or even install malware. Cell-site simulators are also used by criminals to ...
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Mozilla: Here’s Why Your Connected Car’s Privacy Sucks

Posted by Samantha Roussel
September 6, 2023 | By Rob Pegoraro | PC Mag | The Mozilla Foundation’s latest report flunks all 25 car brands evaluated, with Tesla ranked worst. Buying a new car means your privacy might as well be left up on blocks, according to a study released Wednesday by the Mozilla Foundation. “Modern cars are a privacy nightmare,” researchers ...
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More News & Events...


For 15 years and counting, Colin Fagan, a retired dedicated law enforcement detective sergeant and digital evidence examiner created and continues to maintain the Law Enforcement Technology Investigations Resource Guide (LETIRG) with information on the latest technology and legal templates to help law enforcement across the country.  We are happy to be serving as the gatekeeper of the Guide on Colin’s behalf.