Why do prosecutors agree to use this method rather than a full trial? why do defendants agree to use this meth?

Question by Pikachu<3: Why do prosecutors agree to use this method rather than a full trial? why do defendants agree to use this meth?
The method is plea-bargaining
From my understanding a plea-bargaining is the process whereby a criminal defendant and prosecutor reach mutually satisfactory disposition of a criminal case, subject to court approval.

Best answer:

Answer by Bruce
For the prosecutor, it saves time and money by avoiding trial.

For the defendant, it often results in a lesser sentence.

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