A MYSTERY’S SAD CONCLUSION Hunters Find Woman, Dog Dead In Woods By LIBBY CUDMORE • Special to www.AllOTSEGO.com HARTWICK – Roxanne Shipman-Hull, 48, the Hartwick woman who went missing in late September, was found yesterday morning dead in her car in the woods in Plainfield, Sheriff Richard J. Devlin Jr. confirmed this afternoon. According to Devlin, hunters on the state land near the area of Adams Pond Road and Mason Road on the Plainfield State Land came across a Honda-CRV sitting…