You're 100% certain there are 1,000-plus Al-Qaeda-trained fighters in the US

Vigilance Elite Shawn Ryan | Shawn Ryan to Sarah Adams:
"You are 100% certain that there are 1,000-plus Al-Qaeda-trained fighters within the United States borders."
Sarah Adams: "We have not had a man walk up to a building with a suicide vest on in the United States. Americans don't understand this. Al-Qaeda knows this, and they are going to fight until they're killed."