[Churchillspirit]

Unless his wife/heir was in on the plot, how could Fossett gain the $50,000,000?

[Soliton]

People fake their deaths. Their wives collect. They get together in South America.

[editor-surveyor]

"Unless his wife/heir was in on the plot, how could Fossett gain the $50,000,000?"

I know that this is going to sound cynical, but he could have structured a false debt (or many false debts) that she would have been forced to pay off.