Tim Cushing reports that the use of software such as StingRay to triangulate and determine cell phone location is on the rise:
local law enforcement members have been availing themselves of them. LA Weekly, using recently obtained FOIA documents, discovered that the Los Angeles Police Department (along with police in Miami, Ft. Worth and Gilbert, AZ) has obtained and deployed the questionable StingRay.
Read more on TechDirt, keeping in mind that Congress failed again to update ECPA and the Governor of California has had a bill sitting on his desk for almost a month that would require a warrant for cell phone location data. He has neither signed the bill into law nor vetoed it.