How Chicago Police Convinced Courts to Let Them Track Cellphones Without a Warrant

Author: 
The Intercept

THE CHICAGO POLICE DEPARTMENT has acquired and used several varieties of advanced cellphone trackers since at least 2005 to target suspects in robberies, murders, kidnappings, and drug investigations. In most instances, officers only lightly described the devices’ advanced technical surveillance capabilities to courts, which allowed the police to use them, often without a warrant.

Now, after a lengthy legal battle waged by Freddy Martinez, a Chicago software technician, court orders and case notes were released, painting a more detailed picture of how the second-largest police precinct in the U.S. uses surveillance technology to track cellphones.

Martinez, who leads the Lucy Parson Labs, a Chicago-based nonprofit that advocates digital rights and transparency, originally sued for records in September 2014. He provided the released documents to The Intercept.

The Chicago Police Department did not respond to request for comment.

https://theintercept.com/2016/10/18/how-chicago-police-convinced-courts-to-let-them-track-cellphones-without-a-warrant/

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