Search for motive in Fort Lauderdale airport shooting rampage

The FBI is trying to determine what might have set a U.S. Army veteran off to go on a deadly rampage inside a baggage claim at the Fort Lauderdale airport. Esteban Santiago-Ruiz is accused of killing five people and wounding eight others before surrendering on Friday. Investigators say he has no known connections to any terror groups. David Begnaud reports. Source