St. Louis Circuit Attorney Kim Gardner sits behind her attorneys in a courtroom, April 18, 2023, in St. Louis. Gardner has filed a motion to set aside the conviction of Christopher Dunn, who has spent 33 years in prison for a killing. Gardner says, Monday, May 15, 2023, new evidence indicates that Dunn was innocent of the crime. Earlier this year, Gardner was successful in freeing Lamar Johnson, who was imprisoned for nearly three decades for a killing that he long claimed he didn't commit. (David Carson/St. Louis Post-Dispatch via AP, Pool) **FILE**
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