An AI playing a video game learned to navigate via the stars in the sky! Unexpected behaviour makes it hard to know *why* an action occurs.
In the early part of the 21st century, researchers found a novel way to manipulate basic neural networks to cause them to incorrectly identify images.
Just like humans, AI can be brainwashed. Awaking to do our bidding on command.

Excellent short story set in the future about manipulating AIs