SELDEN - ? Police are searching for a hit-and-run driver who killed a Selden man. Cops say Marian Crnkovic was trying to cross Middle Country Road in Selden around 7:30 p.m. Saturday when he was hit. The dark-colored SUV plowed into the 58-year-old and just kept driving, according to police.The Selden man was pronounced a short time later. Anyone with information is asked to call Suffolk Crime Stoppers 1-800-220-TIPS.