Master Sgt. Matthew Livelsberger, an active duty Green Beret for almost 20 years, shot himself just before the truck exploded, police said.

Authorities have tentatively identified the man killed inside a Tesla Cybertruck outside the Trump hotel in Las Vegas as 37-year-old Matthew Livelsberger. Here's what we know.

Sheriff Kevin McMahill revealed during a press conference that the soldier, identified as Matthew Livelsberger of Colorado utilised the generative artificial intelligence chatbot to gather information for his plot.