• Date: April 22-24, 2025 | 1:00 - 1:45 PM EDT
  • Location: Online via GoToWebinar
  • Cost: Free

Gain unparalleled insights into call detail records (CDRs) and geolocation data from the nation's top three telecom carriers: AT&T, T-Mobile, and Verizon. 

Led by Darryl Valinchus, a seasoned expert with over 30 years in law enforcement and intelligence, each session will spotlight one specific carrier, breaking down their unique data formats, response files, and records interpretation. This series will deepen your understanding and sharpen your skills required for effective CDR analysis.

Series Schedule:

  • AT&T: Tuesday, April 22 - 1:00-1:45 PM ET
  • T-Mobile: Wednesday, April 23 - 1:00-1:45 PM ET
  • Verizon: Thursday, April 24 - 1:00-1:45 PM ET

Attendees can register for the full series or individual sessions.

Each Session Covers:

• Explanation Documents

• Subscriber Information

• Cell Site Data Files

• Call Detail Records (CDRs)

• SMS & MMS Response Data

• Tower Dumps

• Real Time Location Information

• Warrant Wording

Ready to sharpen your CDR analysis skills across all major US carriers?

This webinar is available to law enforcement and government personnel only. You must register with your agency email address to be approved. The content shared during the webinar is confidential and must not be reused or distributed.

 

Darryl Valinchus

Customer Education Specialist at Penlink 

Darryl Valinchus (SDS, Ret.) retired from the NYPD after almost 30 years of service. For the last 10 years of his career, he was assigned to the Intelligence Bureau, where he is largely credited with creating and developing the Analytical Programs Unit, which is responsible for coordination and implementation of the Bureau’s signals intelligence investigations and analysis for the City of New York’s terrorist investigations along with any high-profile cases.

He has testified as an expert witness in over 56 criminal cases in communications records analysis and geospatial visualization of cellular location information in both New York Federal Districts and numerous New York State Courts and also has been recognized as an expert in the states of Iowa and Missouri.

 

 

 

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This webinar is not part of our Training Academy. For hands-on product training, please visit penlink.com/training-academy