<p>As his new book “Chasing Shadows” hits bookstores this month, Ron Deibert tells us about how he and his team of digital sleuths at The Citizen Lab have been holding purveyors of high-tech surveillance to account.</p>

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As his new book “Chasing Shadows” hits bookstores this month, Ron Deibert tells us about how he and his team of digital sleuths at The Citizen Lab have been holding purveyors of high-tech surveillance to account.

Ron Deibert: ‘We’re living in a Philip K. Dick novel.’