First of all, Max, who was one of the two executors of his Uncle Samuel's will, was so eager to take charge of his uncle's body, that he forgot to check if Sam was indeed....dead! The newspaper article below describes the embarrassing situation:
This is where the surprise ending comes into this story. The woman, Ellen Stewart, shot at Max four times and wounded him. When the Police chased her, she then took a vial of poison in the street and dropped dead on the spot. Here's the article describing the traumatic events of the day - but keep reading. Wait until the husband finds out!