cop a plea (?.)

• acknowledge
• admit
• admit everything
• allow
• avow
• come clean
• concede
• confess
• cop out
• escape without penalty
• get away with
• get by
• get off
• get off cheap
• go at liberty
• go free
• go scot free
• grant
• let on
• open up
• out with it
• own
• own up
• plead guilty
• spill
• spill it
• spit it out
• tell all
• tell the truth
• win freedom