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

The man who died Wednesday in the explosion of a Tesla Cybertruck in front of President-elect Donald Trump’s hotel in Las Vegas was a senior enlisted officer in the Special Forces, according to a statement from the Army.

Days before the CES trade show commences in Las Vegas, a blast outside the Trump Hotel in the city has put a sharp focus on security for the world’s biggest annual consumer electronics trade show where ChannelNews will be on the ground bringing you live updates.