Therefore, a fisherman did something morally wrong. Charles Manson killed several people. Therefore, Charles Manson did something morally wrong. All acts that kill a person are morally wrong. Therefore, a policeman did something morally wrong.
All acts involving intentional killings of innocent persons are morally wrong.
Charles Manson killed intentionally several innocent people. Therefore, Charles Manson did something morally wrong. All deception is morally wrong. Doctors deceive people. Therefore, they do something morally wrong.