Forensic methods used by police and intelligence go much deeper than just looking at phones near the crime scene. 1. They look at phones moving towards the crime scene and going dark when getting close. This is also how you can detect secret meetings between people. They move towards the same area and shut down their phones. 2. They look at suspect phone going dark anywhere around the time of the incident. 3. Leaving…
Basically a “phone walking” service that also charges your phone.
Could just be a side gig for Uber drivers, having phone lock boxes in their cars. The infrastructure is already there, phone lock boxes for charging exist in airports and nightclubs. This would be one that moves.