Introduction to Call Detail Record Analysis

Build a foundational ability to interpret Call Detail Records for investigative use.

A basic, practitioner-focused introduction to what CDRs reveal, how to read common fields, and the practical limits investigators should expect.
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Course Details

Course overview - 1 STuDY HOUR
• Overview of Call Detail Records and typical data fields

• Reading timestamps, network identifiers, and basic location indicators

• Using CDRs to support investigative hypotheses and timelines

• Recognizing common technical and legal limitations of CDR evidenc


CertificatE included
Upon successfully completing this course, participants will receive a certificate of completion verifying 1 hour of specialized training. 

This basic course is for law enforcement investigators and attorneys who need a practical, non-technical introduction to Call Detail Records. You will learn how to read common CDR fields, interpret timestamps and network identifiers, and see how CDRs can support investigative reasoning. The curriculum emphasizes typical technical constraints and legal considerations so you can evaluate CDR utility responsibly. It does not cover advanced forensic extraction or phone content analysis.

This course ensures you can:

Interpret Common CDR Fields

Understand evidentiary applications

Recognize location and timestamp limitations

Assess legal and privacy constraints

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Frequently asked questions

Who is this course intended for?

This course is for investigators and attorneys who work with telecommunications data and need a basic, practitioner-focused introduction to reading Call Detail Records (CDRs).

What will I be able to understand after taking this course?

You will gain a foundational, big-picture ability to read common CDR fields, recognize the practical limits of timestamps and location data, and understand how CDRs may be used in investigative and evidentiary workflows.

How do CDRs fit into investigative and legal workflows?

CDRs can help establish timelines, identify communications between parties, and guide follow-up investigative steps or legal requests. They are one piece of evidence that should be corroborated with other records, witness statements, and proper legal process.

What legal and privacy considerations are relevant when working with CDRs?

Access to CDRs generally requires appropriate legal authority and must comply with privacy laws and agency policies. The course covers conceptual legal and privacy constraints but does not replace consulting your jurisdictional counsel or following formal procedures.

What kinds of automated tools are covered and will I need special software?

The course introduces basic, commonly used automated tools and workflows at a conceptual, practitioner level. Any specific software requirements are described in the course materials; advanced scripting or tool development is not covered.

Do I need a technical background to take this course?

No. The course is introductory and conceptual. Familiarity with basic investigative terminology helps, but deep technical or engineering knowledge is not required.

Course Content