Then too, it is always possible, he said, for terrorists to infiltrate a protest.

"There are stories that 500 terrorists have infiltrated from Albania to fight," he said.

The terrorists had infiltrated and the fight started inside the building.

It becomes clear that terrorists have infiltrated the Secret Service.

How many terrorists have infiltrated Paris from St. Louis or Toronto?

There are other areas of vulnerability that terrorist may infiltrate.

Three years ago, terrorists infiltrated Jubail and laid explosives at a petrochemical plant.

I guarantee, no terrorists will be infiltrating that location.

"Except that I'm not supposed to tell you how the terrorists infiltrated the station."

A Thompson spokesman said he was not calling immigrants "suicidal maniacs" but rather saying that terrorists could infiltrate the borders.