Emerging technology is giving police departments new ways to track suspects and head off possible crimes. It's also rapidly expanding the scope of police surveillance of civilians.
Police across the country are using tech to widen the scope of people and platforms that they monitor. This surveillance is rarely publicized given the sensitive nature of police investigations, but details of police tactics have regularly surfaced through lawsuits, public records disclosures, and success stories touted by police departments as examples of successful crime prevention.
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