Transcript for FBI Investigates Possible ISIS-Inspired Knife Attack in Virginia
Now to a possible isis-inspired attack in Virginia. The FBI investigating a suspect known to authorities and is accused of stabbing two people on Saturday night. David Wright is here with the latest. Good morning. Reporter: Good morning, Amy. Apparently he didn't just stab them. Authorities believe he tried to behead his victims. The knife attack may have been an act of terrorism inspired by Isis. An urgent call for paramedics in the immediate aftermath of a knife attack Saturday night. There's two patients. One with a leg laceration. He's got a tourniquet applied by police. Reporter: The couple returning home to their complex telling police a stranger attacked them. And yelled allah-u-akbar. The 0-year-old is now in custody. Sources tell ABC news, the FBI is investigating where the suspect was trying to behead his victims in an isis-inspired assault. Federal authorities say they've been aware of farouki the for some time. And that during the past year, he travelled to Turkey Mand have tried to sneak into Syria, where Isis has been recruiting and training foreign sympathizers. They seek to send operatives to kill people in their name, in the United States if they can. Reporter: The FBI director recently warned that Isis is reaching out to troubled souls worldwide, hoping to recruit potential killers. If they can't send an operative or inspire someone to travel, they hope to motivate people to kill on their behalf. Reporter: The FBI director says the bureau is tracking about 800 people in all 50 state who is have consumed Isis propaganda online. The tricky part is finding out who is just watching and who it might motivate. Now to the latest on Bowe bergdahl, the army Ar gent
This transcript has been automatically generated and may not be 100% accurate.