ST. ALBANS, Vt. -
What may have looked like a training session at the US immigration building in St. Albans, Vermont Thursday was not.
Alarms alerted about 700 employees to get out of the building, while police and other agencies guarded the entrances.
All because one of the mail room workers noticed something wasn't right with a package.
"There was an x-ray of the package and the x-ray lead it to be a suspect package," said U.S. Immigration Deputy Director Karen Fitzgerald.
Suspect because of the electronic pieces inside.
"I don't know, it's a package that's supposed to be documents. We got wires, we got a circuit board, we have a battery," said St. Albans Police Chief Gary Taylor.
Another reason police say they acted so quickly is because this building was on heightened alert just days after the 1 year anniversary of the killing of Osama Bin Laden.
The employees were sent home before the state bomb squad and hazmat crews arrived.
Dressed in protective gear, they used this robot inside to examine the package.
After more than three hours of waiting we finally found out what caused all the chaos.
A musical greeting card.
"You have to be safe 100% of the time so I don't apologize that we aired on the side of caution," said Taylor.
The building has since re-opened.
As far as who the package was for, U.S. Immigration officials say the card was attached to a visa application.
