Investigators discovered a "six-page manifesto" on his cell phone, in which he explained every step of his project in detail.

New details in the investigation come almost a week after Green Beret Matthew Livelsberger fatally shot himself just before ...

Army Special Forces member Matthew Livelsberger, 37, died in an apparent suicide in front of the Trump Hotel in Las Vegas ...

Las Vegas Police confirmed that the driver, 37-year-old Army Green Beret Matthew Livelsberger, intentionally caused an ...

A University of Pittsburgh professor called war zone service "really hard on families" and something that "creates the ...

The highly decorated soldier who exploded a Tesla Cybertruck outside the Trump hotel in Las Vegas used generative AI including ChatGPT to help plan the attack, Las Vegas police said.