Adam's blood analysis just before reading memory through the eyes,
but this is not for identification.
Adam pays the taxi using his fingerprint.
Adam Gibson's identity checked at the police station:
"thumbprint checked against records...match confirmed".
Adam shots Talia's hand...
... who is not so happy to loose her fingers.
Adam tries to steal Talia's car...
... and is rejected, remaining 10 seconds before the alarm...
... so Adam takes the cut finger from Talia...
... and starting Talia's car.
"Double X Charter" building fingerprint access control...
To enter the WEIR building, Adam is using Talia's cut finger...
... access granted! (so no aliveness detection, as usual)
Then, Adam wants to access an elevator, using again Talia's cut finger, but the
finger falls...
... Adam finally enters the lift, even if the security guard is suspicious :)
Talia also wants to access the WEIR building...
... but is rejected...
BTW, it is impossible to get a perfect clone using only genetic
material, and fingerprints will be different from one clone to another...
Then security deactivates her credentials.
...because she is already in the building!
... so the security deactivates her credentials to lock Adam (and Talia as well, by the way...).
So, when Adam try again to use the cut finger...
So, back to the good old methods.
- May I help you?
- Oh yes, put your finger here.
A second time. Practical key!
And a third time, but the guard is less cooperative :)