A judge has ruled that an 18-year-old charged with murder in the killing of a paddleboarder in Maine is competent to stand trial.

The death of Sunshine “Sunny” Stewart, 48, of St. George last year shocked the community near Crawford Pond in rural Union, Maine

Authorities charged Deven Young, of Frankfort, with murder in July, about two weeks after Stewart’s body was found.

Young had so far been treated as a juvenile in court proceedings.

The death of Sunshine “Sunny” Stewart last year shocked the community near Crawford Pond (AP Photo/Robert F. Bukaty)

Prosecutors in the state want to charge Young, who was 17 at the time of Stewart's death and is 18 now, as an adult.…