April 23, 2007, saw this country's 200th exoneration of a wrongfully convicted person freed by DNA testing.  Jerry Miller, 48, of Chicago, was convicted of rape in Cook County, Illinois, in 1981.  His conviction was based on the eyewitness identification testimony of both the victim and two parking lot attendants who saw the attacker at the time of the offense.  Descriptions given by these three individuals immediately after the rape were used to create a composite sketch of the attacker.  Police arrested Mr. Miller because they believed that he resembled the composite sketch.  They brought him in for a lineup, at…