UK signs deal to share police biometric database with US border guards

> Under UK law the police can retain an individual's DNA profile and fingerprint record for up to three years from the date the samples were taken, even if the individual was arrested but not charged, provided the Biometrics Commissioner agrees.

"Is that a cigarette? - Yes it is, officer. - Doesn't smell like a cigarette to me!"

When I was granted a student visa in for the UK, I had to go to the nearest Homeland Security office. They took my biometrics for the UK.

Seemed like the UK trusted the US quite a bit. I wonder if Homeland Security kept a copy.

Does US customs share US biometrics with the UK?