At this stage of the court battle it is not possible to know who is correct and exactly what happened. Either way, it shows how when millions of dollars are involved, there are plenty of incentives to fight over it.
If the mother is right, then the wife was tempted by the money to act inappropriately. If the wife is right, then the mother was tempted by the money to file a baseless lawsuit.
If Ken Thompson did want to change his will to exclude his mother for some reason, then his best option would have been to make that clear to her.
Although that might have been an uncomfortable conversation between mother and son, it would have made a legal battle less likely.
