And quite right too – whether such info was obtained by a stingray or via the mobile phone companys own data and the correct warrants (more common in Europe) it would still not be good enough quality evidence for this specific purpose.
At work I am always reminding staff that if the VOIP phone system is not working (power cuts and/or internet failures can upset it if they go on for a long duration) and they need to dial 999/112 for an Ambulance to use “red phones” connected directly to BT Openreach analogue lines (shared with the fax and broadband so not routed through the phone system) rather than their own personal mobile devices.
I checked the local cell site data using an app and found there can be a position error of as much as 10km (it is a rural area) – added to which not all smartphones have GPS and in the EU the emergency services cannot activate it remotely from a 112 call unless special app software is used. This could easily result in the Ambulance being sent to completely the wrong location (as the are both in the same postcode area and the call centres can also be the other end of the region such as Luton or Norfolk)
I am not sure how populated Baltimore is but even in a large city with more base stations its unlikely monitoring GSM traffic (which is all a Stingray does; it even looks like the same equipment Harris made 40 years ago :laugh_at: ) would yield anything more than 0,5km accuracy.
