A Delaware man has been arrested for allegedly driving under the influence and killing three Saratoga County residents in a crash last month. WNYT reports 59 year old Jay Richard Bynum crashed into a Subaru being driven by 21 year old Dean Dennison. The crash killed Dennison, 20 year old Sierra Rain Merchant and their 1-year-old child Grayson Dennison. All three are from Gansevoort and were traveling to go to a family vacation in the Outer Banks, according to their GoFundMe page.