Sting rays in Albuquerque?

Cyrus Farivar reports at Ars Technica,

The American Civil Liberties Union of New Mexico has sued the city of Albuquerque, seeking records by the city’s police department about its use of stingrays, also known as cell-site simulators.

...As Ars has been reporting for years, stingrays are used by law enforcement to determine a mobile phone's location by spoofing a cell tower. In some cases, stingrays can intercept calls and text messages. Once deployed, the devices intercept data from a target phone along with information from other phones within the vicinity. At times, police have falsely claimed the use of a confidential informant when they have actually deployed these particularly sweeping and intrusive surveillance tools. Often, they are used to locate criminal suspects.

Read more here.