The old man wrote a letter to his son and described his predicament:
Dear Vincent,A few days later he received a letter from his son.
I am feeling pretty sad because it looks like I won't be able to plant my tomato garden this year. I'm just getting too old to be digging up a garden plot. I know if you were here my troubles would be over. I know you would be happy to dig the plot for me, like in the old days.
Dear Papa,At 4am the next morning, FBI agents and local police arrived and dug up the entire area without finding any bodies. They apologized to the old man and left. That same day the old man received another letter from his son.
Don't dig up that garden. That's where the bodies are buried.
Go ahead and plant the tomatoes now. That's the best I could do under the circumstances.