Location data on millions of Americans is housed in a Google database called Sensorvault. Police have been using it… https://t.co/R27FPa3eXc

This new search, using what's called a "geofence" or "reverse location history" warrant, had been seen sporadically… https://t.co/KBGUVpktml

In a murder case in Arizona, police arrested one man, Jorge Molina, based largely on this data. After he sat in jai… https://t.co/3hIvruck1v

Later, the police arrested another man in the case, someone Jorge knew, who often took his car. It's not yet clear… https://t.co/ccYZIZYdhM

Google requires warrants for geofence searches, and created a multi-step process that reveals only anonymized, limi… https://t.co/BJeHPVKXpF

It's a complex situation. As a society, we want law enforcement to solve crimes. But we don't want overbroad search… https://t.co/gA7tE3eRuL

@jenvalentino Part that stood about your article is citing the 4th regarding limited search. Looking for a needle b… https://t.co/UArlMht2Ji

.@cyberconservat2: I was given access to someone else's #Google data & I've been raising the alarm about how closely they track people for months. Maybe in a few years @jenvalentino will blog about the data at my top tweet showing what Twitter does to their users.