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As Brian Todd reports, many cybersecurity analysts doubt U.S. claims that North Korea was behind a cyber attack on Sony.
Officials say the internet in North Korea has resumed sporadically after crashing for more than nine hours.
CNN's Brian Todd reports on the heavy fallout after the murders of two New York police officers.
CNN's Brian Todd reports on new claims that American forces inadvertently allowed the creation of the terror group ISIS.
A report says that middlemen are working with ISIS to sell James Foley's body, an American killed by the terrorist group.
CNN's Brian Todd reports on the battle for Kobani and new disturbing videos from ISIS.
Brian Todd looks at a Senate report on enhanced interrogation techniques and if it led to finding Osama bin Laden.
CNN's Brian Todd reports on police still receiving lots of military equipment, despite controversy in wake of Ferguson.
North Korea is suspected in a massive cyber attack that crippled Sony Pictures and posted several of its movies online.
As the NYPD reels from the chokehold case, Brian Todd reports on the possible impacts of its new retraining program.