Congress to Examine FBI Handling of Tennessee Shooter

, a top Republican said on Sunday, U.S. lawmakers will examine possible shortcomings in police or intelligence in the case of a Tennessee shooting that killed five servicemen. He added that the case may be linked to Islamic State. Representative Mike McCaul, who heads the U.S. House of Representatives homeland security committee, told ABC the case highlighted growing concern about Internet-based directives from IS leaders in Syria.The FBI is investigating Friday's attack as an act of terrorism, but said it was premature to speculate on the motive of the gunman, Mohammod Youssuf Abdulazeez, a Kuwaiti-born naturalized U.S. citizen.