Unwilling to wait for federal regulation to develop, municipal leaders from California to Massachusetts are pushing their own rules on the acquisition and use of facial recognition technology.

After dropping Axon, the city of Fontana, California faced a choice: Pay for cloud services its police department didn’t use or risk its credit score.

Massachusetts State Police and local law enforcement have spent millions amassing an arsenal of Tasers, but there’s minimal accountability for those doing the purchasing, or for those doing the tasing.

Axon, one of the most prominent suppliers of tech tools to law enforcement, is shifting from selling its signature Tasers to embedding artificial intelligence in police departments around the country

In a sweeping investigation, a team of Reuters reporters, editors, and data analysts raised serious questions about Taser’s manufacturer’s claim that no one has died directly from device’s shock. Reviewing the results of hundreds of autopsies, filing hundreds of public records requests around the country, and other painstaking open-source research made the investigation possible.