Authorities say they know that a highly decorated Army soldier shot himself in the head inside a Tesla Cybertruck packed with fireworks that exploded outside Trump's Las Vegas hotel

Matthew Livelsberger left behind a trove of information investigators are still sorting through. He said the attack was a 'wake-up call.'

The explosion outside a Trump hotel highlights the wealth of information Musk’s company collects on its drivers -- and his selectivity in sharing it.