Two suburban New York men who spent 18 years in prison for the 1984 rape and murder of a 16-year-old girl, only to be exonerated when a DNA test showed that another man had committed the crimes, were awarded $18 million each Thursday in a federal civil rights lawsuit. The verdict, announced in U.S. District Court in Central Islip, followed a four-week trial. The jury found that the lead detective in the 1984 Nassau County police investigation had both fabricated hair evidence and hid other evidence from prosecutors. In …