What were the critical factors identified by the court with respect to undue influence and fraud in Estate Planning?

Read Case 52-2, McDaniel vs. McDaniel, on page 1192.What were the critical factors identified by the court with respect to undue influence and fraud in this case? How far should courts go to protect the elderly and infirm from undue influence and fraud, especially in cases, such as this one, in which the testator possessed adequate mental capacity at the time of the making of the 2007 will?Article has been attached