The Brief Investigators confirmed a King County deputy was involved in a fatal shooting Sunday night in SeaTac. An investigative team confirmed Monday that a deadly shooting involving a King County deputy occurred in SeaTac on Sunday night. FOX 13 Seattle previously reported a large presence of investigators for an unknown incident near the location Monday morning. What's next:The Renton Police Department is leading the independent investigative team. The Source: Information in this story comes from a press release by the Valley Independent Investigative Team, and previous reporting by FOX 13 Seattle.