But others said that because of what's known about the killings and the victims, they are not afraid of being targeted. The four victims who have been identified thus far were all women who advertised prostitution services on websites such as Craigslist, police have said.  Tourism and real estate professionals on Long Island said the apparent string of killings does not seem to have affected business.  Police said Monday they were examining a skull found on the outskirts of a bird sanctuary in Long Island's Nassau County, potentially the ninth set of remains discovered in the probe. About four hours earlier, a New York state police officer and his cadaver dog spotted another set of remains about a mile and a half away. On Tuesday, police said both the skull and the remains were determined to be human.  Since December, eight sets of human remains have been found in Suffolk County, just to the east of Nassau County and roughly five miles from the sites of Monday's discoveries.  Police have not said whether the latest remains are from two different people, nor whether they could have come from one of the other eight victims.  Divers with the Suffolk County Police planned to scour waterways on the north side of the barrier island on Wednesday.  "It's not that it makes me afraid, it's just kind of eerie," said Andrew Quinn, 27, who lives in East Islip, about 10 miles from the Gilgo Beach area where some of the bodies have been found.  Quinn said he often drives along Ocean Parkway, the site of some of the discoveries. "It kind of creeps me out, but other than that it doesn't really affect me," he said.  Jerry O'Neill, a real estate broker who lives in Amityville, Long Island, often spends time at Gilgo Beach during the summer.
As police on New York's Long Island were sending dive teams to search for clues in a string of suspected serial killings Wednesday, area residents were trying to come to terms with the grisly