No they’re playing the long game. It’s for if they need to deport (and/or jail) you later.
Lying on a customs form is a valid reason to revoke a visa, and it’s an open and shut case.
Lying on a customs form is a valid reason to revoke a visa, and it’s an open and shut case.
It basically unlocks a second set of potential facts that they can use to bring a criminal case (or revoke a visa, etc).