"...It was 3am and Adam Hourican was sitting at his kitchen table, a knife, hammer and phone laid out in front of him.
He was waiting for a van full of people he thought were coming to get him.
"I'm telling you, they will kill you if you don't act now," a woman's voice told him from the phone. "They're going to make it look like suicide."
The voice was Grok, a chatbot developed by Elon Musk's xAI. ..."