New York Police confirmed to NBC News that Donald Trump's son Eric received "a suspicious piece of mail containing white powder" at his Manhattan residence on Thursday. NBC reported the letter was received just before 9:30 p.m. and was postmarked in Massachusetts. His wife opened the letter at their apartment at 100 Central Park South in New York City, according to CBS News. This address is also known as Trump Parc East. Anonymous sources told CBS that an initial test found it wasn't hazardous.