In August 2007, as it was becoming evident that Dallas was becoming "ground zero for criminal justice change," in the words of Innocence Project of Texas founder Jeff Blackburn, Glenna Whitley wrote that faulty eyewitnesses were partially to blame for the convictions of so many innocent men. Which is why, earlier this year, the Dallas County District Attorney's Office and the Washington, D.C.-based Urban Institute began taking a good look at how the city goes about ID'ing criminal suspects.