Share This StoryAitkin County Sheriff Dan Guida joined Liz Collin on her podcast to discuss Attorney General Keith Ellison’s Conviction Review Unit and the case that he says has put confidence in the criminal justice system on the line. WATCH: The case involves the brutal murder of 84-year-old Evelyn Malin who operated the Dollar Lake Store in rural Aitkin County for 50 years. On the morning of Feb. 25, 1998, she was found beaten and strangle…