Elon Musk’s OpenAI rival, xAI, says it’s investigating why its Grok AI chatbot suggested that both President Donald Trump and Musk deserve the death penalty. xAI has already patched the issue and Grok will no longer give suggestions for who it thinks should receive capital punishment.

A researcher affiliated with Elon Musk’s startup xAI has found a new way to both measure and manipulate entrenched preferences and values expressed by artificial intelligence models—including their political views.