McStay Family Murder Trial Day 22 Part 4 Sgt Ryan Smith & Agt Kevin Boles Testify

TL;DR

Cell phone data analyzed for location tracking in criminal investigations.

Transcript

correct I located the tower closest to the casinos and then I found that those that you get organs and I search those coordinates in the PDF document and when you did that search you just whatever I did well yes if it hit on the exact numbers I verified that it was the same tower then I looked at the call time I documented the call time document an... Read More

Key Insights

• 👣 Cell phone data analysis crucial in tracking suspect's location.
• 📶 Terrain affects signal strength and can impact location accuracy.
• ❓ Forced redirects by the network influence call connections.
• 💁 Call detail records provide vital information for investigations.

Questions & Answers

Q: How does an expert analyze cell phone records to track location?

The expert examines call detail records showing tower hits to determine the phone's proximity to specific locations like casinos based on tower hits and call times.

Q: How does terrain affect the use of cell phone tracking technology?

Terrain can impact signal strength and create shadowing effects, affecting the accuracy of location tracking based on cell tower connections.

Q: What is forced redirect in terms of cell phone calls?

Forced redirect occurs when the network directs a call to a different tower for reasons like network optimization, ensuring call continuity without dropping.

Q: What information is included in a call detail record (CDR)?

A CDR contains details of interactions between a cell phone and the network, including date, time, call type, parties involved, equipment identifiers, and cell tower information.

Summary & Key Takeaways

• Expert uses cell phone records to track location near casinos based on tower hits.

• Tower hits and call times documented to establish phone's proximity to casinos.

• Expert's training and experience in cellular analysis proved vital in locating missing persons and fugitives.