Jamison family deaths

The Jamison family were an American family from Eufaula, Oklahoma. 
Bobby, his wife Sherilynn, and their daughter Madyson disappeared on October 8, 2009.
The couple was thinking about buying some land near Red Oak, about from Eufaula, at the time of their disappearance. Their suspected dead bodies were found in November 2013 and were identified by the Oklahoma medical examiner on July 3, 2014. No cause of death was found and the reasons for their disappearance remain unknown.