The wife is a photographer. She shot a photo of her husband, developed it and then hung it up to dry whilst they went out for dinner.
Wife Shoots Husband?

If you are a bit of a Sherlock Holmes see if you can figure out the puzzling mystery below.
A man and a woman live peacefully in a house together. But one day the woman shoots her husband. Then she holds him under water for over five minutes. Finally, she hangs him. However, ten minutes later they go out and enjoy a wonderful dinner.
How is this possible?