A woman shoots her husband. Then she holds him under water for over 5 minutes. Finally, she hangs him. But 5 minutes later they both go out together and enjoy a wonderful dinner.

How can this be?

Two men go to visit a female friend. She offers them soft drinks, which they accept. The drinks are identical in every way. One of the men dies after drinking his drink, but the other man does not.

Why did one of the men die?

Bob and Carol and Ted and Alice all live in the same house. Bob and Carol go out to a movie, and when they return, Alice is lying dead on the floor in a puddle of water and glass. It is obvious that Ted killed her but Ted is not prosecuted or severely punished.

How is this possible?

"I want to go home, but the man in the mask won’t let me."
Who is the man in the mask?