Transcript for Cops: NYPD Ax Attacker Inspired By Terror Groups
Police are still trying to figure this out. And police on the trail of a gunman in California. It all began in this Sacramento parking lot. Authorities say he takes aim at a driver, stealing his car and then shooting two deputies. Police say they're closing in. And to the hatchet attack, seven seconds long, in New York City. Authorities saying he intended to target police as an act of terror. He recently converted to Islam. Who is he doing this for? Here's Brian Ross. Reporter: It was an act of terror. Seven seconds as the man moved in on his targets. Police officers hit, one critically injured before the man was shot dead. Zale Thompson, a loner who had become self-terrorized. Viewing beheadings. The white house fence jumper, and this week, the Canadian shootings while he made his own plans. In the last month, leaders of Isis had been online urging lone wolves to take action. Saying it sends a chilling message to people. Terror is theater. I think we're going to see more of it. Reporter: Some investigators think it's a stretch to call him a terrorist, but tonight, new York City police officers are being told they must patrol in pairs. Brian, thank you. Of course, this attack coming after the other attack, 6 O miles north of the
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