Matthew Livelsberger wrote several notes in his phone, which police retrieved from the debris, revealing grievances for the direction of the country.

A highly decorated Army soldier who died in an explosion of a Tesla Cybertruck at the Trump hotel in Las Vegas left a note saying it was stunt to serve as a “wakeup call” for the country’s ills, investigators said Friday.

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.