How do I get past the door with the Fingerprint id scanner

Hint 1 of 8:

Did an officer drink from a glass of water you gave him?

Hint 2 of 8:

Have you read page 14 of the game manual?

Hint 3 of 8:

"OPERATE Cigarette"  - the blue banded one, and the paper will remain.

Hint 4 of 8:

The top cigarette is usually the blue banded one.