[leereeves]

> “Do you know any foreigners?”, the FBI asked.

As if that would be suspicious.

[TheGirondin]

It's a starting point in an investigation.

"Only my great uncle from Mexico." Not much further inquiry required.

"3 people from Tehran" Get their names and do a little investigation.

"No" Caught them in a lie, when you know they know 3 people from Tehran.