the search for a serial killer suspect now expanded into a second county on long island, new york, with at least eight sets of remain linked to the investigation. but the woman whose disappearance sparked the search, she s still not been found. cnn s allan chernoff brings up to date. reporter: may 1, 2010, 24-year-old prostitute shannon gilbert disappears ar visiting a client in the tiny community of oak beach, new york. december 11, 2010, a canine officer training his dog uncovers skeletal remains west of the beach. a forensics examination determines they are not those are the missing prostitute. two days later, three more victims are discovered. they weren t all cluftered but with a quarter mile of each other. reporter: once receipt mains are positively identified, the link between the victims is clear. all four are prostitutes in
york s serial killer case keeps rising. now, police now say there may be at least ten victims. crews have use everything from cadaver dogs and horses to fire truck ladders and a helicopter in their search on long island. our cnn senior correspondent allan chernoff reports they are now calling in divers. reporter: suzanne a dive team from the suffolk county police department is checking the waterway it s in the bay off of this barrier island. this comes after an extensive search on land that began last year. may 1st, 2010, 24-year-old prostitute shannon gilbert disappears after visiting a client in the tiny community of oak beach, new york. december 11, 2010, a canine officer training his dog uncovered skeletal remains several miles west of oak beach. a forensic examination determines they are not those of the missing prostitute. two days later, three more victims are discovered.