Andy Greenberg reports:
The spread of usable encryption tools hasn’t exactly made law enforcement wiretaps obsolete. But in a handful of cases over the past year—and more than ever before—it did shut down cops’ attempts to eavesdrop on criminal suspects, the latest sign of a slow but steady increase in encryption’s adoption by police targets over the last decade.
In nine cases in 2013, state police were unable to break the encryption used by criminal suspects they were investigating, according to an annual report on law enforcement eavesdropping released by the U.S. court system on Wednesday.
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