There’s a lingering secret hanging in excess of the writer of “Exactly where the Crawdads Sing,” now tailored into a film. Michele K. Small/Sony Shots cover caption toggle caption Michele K. Shorter/Sony Pics There’s a lingering thriller hanging over the writer of “In which the Crawdads Sing,” now adapted into a film. Michele K. Short/Sony Shots In which the Crawdads Sing tells the fictional tale of Kya, a lady remaining to increase herself alongside a North Carolina bayou in the 1950’s and 60’s. “The marsh woman,” as she’s recognised, is reviled and shunned by people in the close by town. In time, Kya is place on demo for murder. Now,…