How AI-powered tech landed man in jail with scant evidence

  • Michael Williams sits for a portrait in his South Side Chicago home Tuesday, July 27, 2021. Williams was behind bars for nearly a year before a judge dismissed the murder case against him in July at the request of prosecutors, who said they had insufficient evidence. (AP Photo/Charles Rex Arbogast)

CHICAGO — Michael Williams’ wife pleaded with him to remember their fishing trips with the grandchildren, how he used to braid her hair, anything to jar him back to his world outside the concrete walls of Cook County Jail.