Local news outlets are reporting Michael Don Shepherd, the man charged with vehicular homicide in the deaths of a Cookeville mother and her two sons, had a very high level of meth in his blood. District Attorney Bryant Dunaway said it was the highest level he had ever seen in a lab report. Shepherd’s total bond was set at $755,000, including $250,000 for each count of vehicular homicide by intoxication in the deaths of Amanda Chatman and her two sons and $5,000 for evading arrest. Shepherd was running from police in Cookeville when he hit the car carrying Amanda Chatman and her two sons in January. She and her two sons died at the scene.