Authorities with the Oklahoma State Bureau of Investigation say they're working with the Delaware County Sheriff's Office with a possible homicide investigation. Investigators say a woman's body was found outside a trailer house at the Kingpoint Mobile Home Park at 64600 E. 254 Road, just outside Grove. They say the woman's body was discovered at about 7:00 Sunday morning (Feb 11). According to authorities, the medical examiner is working to make a positive identification and determine the cause of death. OSBI special agents and sheriff's investigators are gathering more information and evidence.