Updated: Feb 22, 2010 11:14 AM CST

Appleton, WI – Authorities believe the same suspect phoned in bomb threats this weekend regarding the Outagamie County Regional Airport and an Appleton Taco Bell. The FBI is now assisting in the investigation.

Police say the Taco Bell threat came in Just before nine Saturday night to the restaurant located in the 2800 block of West College Avenue. The building was evacuated. A search turned up nothing suspicious.

Officers say suspect called in the treat using the European internet-based voice and data service known as Skype.

Investigators believe the same suspect called an Appleton restaurant Sunday morning saying he was at the airport and was going to leave a bomb there.

Airport authorities immediately ordered an evacuation.

Airport officials say at first everyone was evacuated to this parking lot across the street from the airport but then they were brought to the max air building waited a little while longer as authorities investigated this alleged bomb threat.

“I had just gotten through security and they pulled everybody out,” said passenger Pam Verhagen.

“First people were thinking maybe a fire drill or something but then we had all the fire trucks come and everything I thought no its something more,” said Verhagen.

But turns out it wasn’t. A K-9 unit searched the airport top to bottom and found nothing.

After about an hour and half, passengers and employees were allowed back inside..

And it was business as usual. No flights canceled, and no real concern for passengers we spoke with.

Rick Hansen was another passenger at the airport Sunday morning.

“Everybody just followed the instructions and did what we were told now we just have to go through all the hassle,” he said.

“You just cant take any risks these days its the new norm, I guess, unfortunately, and we as an airport much like any airport have security plans and emergency plans in place to address these sorts of things,” said Marty Lenss, Airport Director.

The sheriffs department says it’s questioning employees at the restaurant where the 911 call came from.