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American Civil Liberties Union
ACLU joins Md. federal case over cellphone tracking
ACLU joins Md. federal case over cellphone tracking

The American Civil Liberties Union has filed a brief supporting a challenge to the use of a cellphone tracking device in a federal case in Maryland, arguing that the technology raises "serious Fourth Amendment concerns" and that authorities misled a judge in obtaining a court order. The case involves a murder-for-hire sting conducted by Baltimore police and the FBI this year, according to court records. Police gave a cellphone to Derrick Smith so he could communicate with an undercover officer, and later used a device known as a stingray to locate the phone. The device, which was developed for the military, mimics a cellphone tower to force all phones in range to connect to it....