Sunshine Stewart, 48, disappeared on the night of July 2 during an outing on Crawford Pond in Union, Maine. Her body was found hours later near an island preserve.

Police in Maine are investigating the death of a paddleboarder near a campground in rural Maine as a homicide and asking the public for help finding the killer.

The body of Sunshine Stewart, 48, was discovered under “unusual circumstances” by state game wardens at about 1 a.m. last Thursday near 100 Acre Island on Crawford Pond in the community of Union, 60 miles south of Bangor, according to Maine State Police. Officials stated that the area can only be accessed by boat.