PARKERSBURG, W.Va. (WOWK) — The man accused of kidnapping and killing Gretchen Fleming claimed he was innocent in Wood County Court Thursday morning. Preston Pierce, 58, entered a not guilty plea on all charges relating to the disappearance and death of Parkersburg woman Gretchen Fleming, following his extradition from North Carolina last week. Pierce is being charged with first-degree murder, felony murder, concealment of a deceased human body and kidnapping.