Transcript for Minnesota Mall Stabbing Spree Video Released
Tonight there is new video out from Minnesota of a knife attack inside an American mall and how authorities took the man down and Pierre Thomas reporting. I'm if that man was in fact radicalize beforehand. Watts is a nightmare unfolds. Here a darn arriving of this Minnesota malt knives and hand seen here stabbing the store clerk. Today police releasing chilling surveillance tape. Which they say portrays a suspected Islamic radical attempting mass murder. Or don's behavior. And the actions suggest he may have been radicalized either with the influence of others or run a zone. My month. As Dora scrambled pulling down there security gates a darned used two steak knives to step ten people before being sought by off duty officer Jason Bakken. Look closely you can just make out a done there in dark clothing running through Macy's that officer in hot pursuit with gun drawn then the confrontation. The officers suits of Don after being threatened. In another scene that Don gets back up he shot again then what's more he struggles to his feet before the fatal shot the FBI still investigating a Don. But authorities say they've run into a major roadblock. They can't get into his rightful. No word from apple tonight but this could explode into the same kind of legal confrontation we saw between apple and law enforcement in this San Bernadine no terror case. David our senior justice correspondent Pierre Thomas would us tonight here thanks.
This transcript has been automatically generated and may not be 100% accurate.