Lateral thinkings:
1- Agatha spent several days in the hospital. She wasn't injured, and she wasn't sick, but she did have to be carried out when she left though. Why was she in the hospital? That answer is below as well.
2- A woman has incontrovertible proof in court that her husband was murdered by her sister. The judge declares, "This is the strangest case I've ever seen. Though it's a cut-and-dried case, this woman cannot be punished."
Solutions:
1-She was a newborn baby.
2-The sisters are Siamese twins.