Yes, who you know, and travel patterns. If you are not a businesswoman, how come you go to the States by plane for 24 hours? People go to Burlington by car for a day, but otherwise, it's suspicious. Many things raise red flags, indeed.or... just haven't been flagged yet. You don't even need full face pics to build a usable recognition profile.
"Tell me who you know, and I'll tell you who you are" / guilty by association, combine behaviour with social media engagement pods its just a question of time before it gets automated with higher success rate.
I will also say, that many girls when traveling give off a pretty strong SW vibe. They broder agents don't need proof... they just need suspicion. [...]