The trial of a Seattle man accused of shooting and killing his brother during a trip back from Republic in 2022 began in Whatcom County Superior Court on Thursday.
John Roper Thomson, 42, reportedly killed his brother, 69-year-old Robert Thomson, near the western end of Diablo Lake in the North Cascades National Park on Aug. 8, 2022. He was charged with first-degree murder and two counts of unlawful possession of a firearm.
The case is being prosecuted by Eric Richey, Prosecuting Attorney for Whatcom County, and Deputy Prosecuting Attorney Sophia Padgett…