CHILLICOTHE (AP) — A sheriff in southern Ohio says a body found over the weekend is that of one of three missing women from Chillicothe.

The Ross County Sheriff’s Office on Sunday identified the woman as 26-year-old Tiffany Sayre, who has been missing since May 11.

Her body was found Saturday in Highland County. A cause of death hasn’t been released.

That brings to four the number of women who have been found dead from the Chillicothe area since May of last year. Two other women remain missing.

Investigators don’t know if the cases are connected. One death was a homicide, another was ruled a suicide and the other was an overdose authorities called suspicious.

Authorities have said the women appeared to have run in circles where drug and criminal activity was prevalent.