Donald Trump Jr. receives death threat and white powder in envelope at Florida home

Authorities in Palm Beach County responded to the Florida home of Donald Trump Jr. on Monday after he was sent an envelope containing a death threat and white powder.The response by Palm Beach County Fire Rescue was first reported by the Daily Beast. A spokesperson for the former president’s son confirmed the incident to NBC News.The spokesperson said that test results to identify the white substance were inconclusive, but that officials on the scene did not believe it was deadly.When reached for comment, a spokesperson for Palm Beach County Fire Rescue referred NBC News to the U.S. Secret…