CNN  —  The man who exploded a Tesla Cybertruck outside Trump International Hotel in Las Vegas wrote of “political grievances, issues about conflicts elsewhere” as well as “domestic issues” in the days leading up to his suicide, officials said Friday. The writings were found in the cellphone of Matthew Alan Livelsberger, the truck’s driver, said Sheriff Dori Koren of the Las Vegas Metropolitan Police Department in a news conference. The Cybertruck was detonated outside a Trump International