Livelsberger apparently harbored no ill will toward President-elect Donald Trump, Las Vegas Metropolitan Police Department officials said.

Investigators know that a highly decorated Army soldier shot himself in the head inside a Tesla Cybertruck packed with fireworks just before it exploded outside Trump International Hotel in Las Vegas on New Year’s Day, but authorities say there are questions about why he chose that car and location.

Despite the symbolism that might be associated with exploding a Tesla Cybertruck outside the Trump International Hotel in Las Vegas, law enforcement officials said Thursday they were still trying to piece together why a five-time Bronze Star recipient and new father would orchestrate the New Year’s Day blast.