Because British law enforcement officers don't have the authority to seize encryption keys, an increasing number of criminals are able to evade justice, a senior police officer said. Suspected terrorists, pedophiles and burglars have all walked free because encrypted data couldn't be opened, Detective Chief Inspector Matt Sarti of the Metropolitan Police said Monday during a public meeting in London.

"There are more than 200 PCs sitting in property cupboards which contain encrypted data, for which we have considerable evidence that they contain data that relates to a serious crime," Sarti said. "Not one of those suspects has claimed that the files are business-related, and in many cases, the names of the files indicate that they are important to our investigations."

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