“The U.S. government is using ‘keyword warrants’ to uncover the identity of anyone who searches Google and other search engines for certain search terms that may be related to a crime, according to a new report.”
A normal warrant names a suspect. A keyword warrant names a search term and asks Google for everyone who typed it. The practice came out only because court documents were unsealed by accident. Officials won’t say how often they use it. Your search history is now a lineup.