A reverse warrants allow law enforcement to target an entire neighborhood

[Mackin USA]

The Manhattan District Attorney's Office admitted it demanded Google hand over account information for all devices used in parts of the Upper East Side. They didn't do this to find the Proud Boys; they did it to find Antifa members.

https://www.thedailybeast.com/manhattan-da-cy-vance-made-google-give-up-info-on-everyone-in-area-in-hunt-for-antifa-after-proud-boys-fight

[ergophobe]

So much for the 4th and 5th amendments....