AZ v. Mark Gooch Trial Day 4 - Direct Exam of Sev Dishman - Location Data Specialist

TL;DR

Analyzing location data from a cell phone to track movements and patterns in various locations.

Transcript

hmm good afternoon the record will reflect the presence of council the defendant and the jury mr barker you may proceed thank you before the break we were talking about the area around sunset crater near the body can we go back to that uh that slide again there we go all right i'm not connecting up no i think your uh settings jumped over to mirror ... Read More

Key Insights

• 📌 Location data analysis involves tracking patterns and movements of a device in various locations.
• 💩 Proximity measurements are based on Nelos hits and distance calculations from known landmarks.
• 👋 Differentiating between areas with good and poor cell coverage is crucial in location data analysis.
• 💁 Location data can provide general information about device presence but may not reveal specific activities.
• 📌 Comparing distances between cell towers and locations helps determine the potential location of a device.
• 💩 Nelos hits are essential in identifying stagnant activities and patterns in device movements.
• 📶 Cell tower coverage and signal strength play a significant role in determining the accuracy of location data analysis.

Questions & Answers

Q: How did you determine the proximity of the defendant's device to the body site?

By analyzing Nelos hits and measuring distances from specific locations, such as cell towers and landmarks.

Q: Can location data provide precise details about activities at specific locations?

Location data can indicate movements and patterns but cannot provide detailed information about specific activities at a location.

Q: How do you differentiate between locations with good cell coverage and those without?

By analyzing Nelos hits and considering factors like cell tower proximity and signal strength.

Q: Can location data show if a device was at a specific location during a certain time?

Location data can indicate the presence of a device in a general area but cannot pinpoint exact activities or movements.

Summary & Key Takeaways

• Analyzed location data from the defendant's cell phone in multiple locations near the body site.

• Identified stagnant activities and patterns in the defendant's device movements.

• Compared distances between cell towers and locations of interest to determine proximity.