Flowers and handwritten messages formed a memorial outside the Minnesota State Capitol in St. Paul on June 15, 2025, honoring state Rep. Melissa Hortman and her husband, Mark, who were killed a day earlier. File photo by Reuters/Tim Evans Eden Prairie state Rep. Carlie Kotyza-Witthuhn (DFL-49B) found not only a mentor and supporter in House Speaker emeritus Melissa Hortman, who was murdered in her home on June 14, 2025, but a friend. This summer…