Law enforcement set up in Green Isle, Minn., on June 15, 2025, as they search for a suspect in the killing of state Rep. Melissa Hortman and her husband, Mark. Stephen Maturen/Getty Images Murat Haner ...

Political violence among rival partisans has been a deadly and destabilizing force throughout history and across the globe. It has claimed countless lives, deepened social divisions and even led to ...

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