Review: Mann's cyber-thriller 'Blackhat' clicks with urgency

Review: Mann's cyber-thriller 'Blackhat' clicks with urgency

Michael Mann's "Blackhat" begins with the camera slowly descending from above Earth, diving down into a nuclear facility, and submerging into the underlying, twisting maze of electronic circuitry. A single, glowing blip — a bit of malicious code, we soon learn — invades and proliferates.