"Another part of the story concerns a house under construction across the street from where Wheeler lived.
Wheeler was caught up in a vigorous legal dispute with the builders of that home, which some neighbors have characterized as a bed-and-breakfast in the making.
Ms. Klyce has continued to pursue the case after her husband's death, still hoping that the house can be torn down."
Who killed Jack Wheeler, Part 3: Conspiracy talk aplenty in Wheeler murder
Other thoughts come from Wheeler's wife, Katherine Klyce, in an interview she gave to Slate.com. The family has offered a $25,000 reward, but she said, "I think perhaps no one has been on the reward because they've already been paid."
"The way they disposed of his body, it's a miracle anybody ever found it. That just sounds like a pro to me," she said.
Thomas McInerney, a retired Air Force officer, told ABC News: "A man with that experience, it could have been foul play to get some of the secrets he had."