The equestrian sport of dressage became the backdrop for a simmering feud between former U.S. Olympian Michael Barisone and promising trainee Lauren Kanarek. These tensions culminated in a violent confrontation that left Kanarek fighting for her life and Barisone fighting for his freedom in court. The Netflix documentary Untold: The Shooting at Hawthorne Hill premieres Tuesday, April 21, and examines the prolonged dispute between Barisone and Kanarek. The pair waged a war of words in person and over social media, resulting in Barisone’s near-fatal shooting of Kanarek in August 2019 at the titular farm. Barisone, a former dressage star who agreed to mentor Kanarek, was charged with two counts of attempted murder, but found not guilty by reason of insanity. The film features new interviews with both figures and examines what happened before and during Barisone’s trial. Here’s everything you need to know about Barisone’s career and life today following his acquittal. Who Is Michael Barisone?…