Police were on the scene in Manorville Friday where crews have been out searching for days in connection to the Gilgo Beach investigation.

The area has been a part of the case for more than 20 years.

Law enforcement resumed the search in Manorville Thursday and were also seen on Wednesday scattered across a preserve near Wading River Manor Road. A K-9 unit was also at the scene.

The Suffolk County District Attorney’s Office would not confirm that the search is related to the Gilgo Beach investigation. However, the DA's office did say Suffolk County police, New York State Police and the NYPD are all assisting the DA with an ongoing investigation.

RELATED: Alleged Gilgo Beach serial killer appears in court; judge works to set trial date

As News 12 has reported, remains from Gilgo Beach victims Valerie Mack and Jessica Taylor were found in Manorville. The rest of their remains were found along Ocean Parkway.

Rex Heuermann, who is accused in the killings of other Gilgo Beach victims, has not been charged in the deaths of Mack or Taylor at this time.

There is no word from officials yet on if those victims are connected to the recent search.

Law enforcement resumed the search in Manorville Thursday and were also seen on Wednesday scattered across a preserve near Wading River Manor Road. A K-9 unit was also at the scene.

Michael Gould, a canine behavioral expert, said while time and weather can make searches more challenging, officers have the best asset to assist them in finding whatever it is they're looking for.

“Dogs are the only technology that has even a chance to go out in these environments and find odor. There is no X-Ray machine, nothing that can locate odor like a dog,” Gould said.