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Steve Griffin | The Salt Lake Tribune Heidi Keilbaugh, right, the partner of James Dudley Barker who was shot and killed by a S James Barker. This screen grab from a video purportedly shows Officer Matthew Taylor after his scuffle with James Barker on January 8, 2015. James D. Barker Courtesy photo Steve Griffin | The Salt Lake Tribune Heidi Keilbaugh, right, the partner of James Dudley Barker who was shot and killed by a S Steve Griffin | The Salt Lake Tribune Heidi Keilbaugh, the partner of James Dudley Barker who was shot and killed by a Salt Lak Steve Griffin | The Salt Lake Tribune Heidi Keilbaugh, the partner of James Dudley Barker who was shot and killed by a Salt Lak Steve Griffin | The Salt Lake Tribune Heidi Keilbaugh, the partner of James Dudley Barker who was shot and killed by a Salt Lak Steve Griffin | The Salt Lake Tribune Heidi Keilbaugh, the partner of James Dudley Barker who was shot and killed by a Salt Lak