What does it mean to go on a witch hunt?

To go on a witch hunt means to engage in an aggressive or reckless pursuit of individuals who are perceived as wrongdoers, often based on unfounded accusations or paranoia. This term originates from historical witch trials, where innocent people were falsely accused and persecuted. In contemporary usage, it often refers to situations where a group or individual is unfairly targeted, leading to a climate of fear and scapegoating. Ultimately, it highlights the dangers of mob mentality and injustice.