When Bes Din executed murderers back in the day (good times), they didn’t think about his poor wife and children at home. That was the responsibility of the murderer.
Whether or not Wendy is 100% guilty cannot be known by us for sure. What we can be sure of is that she made us all look bad.
I don’t recall R’ Shmuel Kamenetsky ever pleading guilty to a case in which he was innocent.