Police investigate powder sent to home of Donald Trump's son 03/18/2016 7:07 am PDT Comments Twitter @erictrump via WPIX: NEW YORK CITY -- (WPIX) -- Police are investigating a suspicious letter that was sent to Donald Trump's son, Eric Trump, Thursday night. Police received a call about the letter around 7:15 p.m. The mail was sent to Eric Trump's home at 100 Central Park South, according to police. The letter was taken in for examination. FULL STORY: Police investigate powder sent to home of Donald Trump's son - WPIX Waiting for your permission to load facebook comments.