https://thenextweb.com/science/2018/07/24/thieves-iris-scanner-biometric-mit-security-machine-learning/

To commit a crime in the caveman days, all you needed was a stick and a strong desire to do harm. Then, as the world progressed, so did the technology people used to protect themselves.

Undeterred, ne’er-do-wells adapted: they learnt how to forge keys and signatures. Those scamps.