Didn’t that A-A lady who got shot by the SS say she had a chip in her head?
Yes and there was also a Governemnt Contractor Aaron Alexis who shot and killed 12 people at a Naval yard in 2013:
The government contractor who killed 12 people at the Washington Navy Yard last week was driven by delusions that he was being controlled by low-frequency radio waves and scratched the words “End the torment!” on the barrel of the shotgun he used, the FBI said Wednesday, offering new, chilling details of the attack.”