The Idaho State Police is nearing completion of its investigation into the shooting death of Council rancher Jack Yantis.Yantis was shot and killed by two Adams County Sheriff&#x27;s Department deputies during a late-night altercation on the highway near his ranch on Nov. 1 of last year.The Idaho State Police began an investigation soon after the incident.ISP spokeswoman Teresa Baker declined to discuss details, citing an ongoing investigation. But she stated, We&#x27;ve conducted a series of inter