His father vanished after working for convicted murderer Sante Kimes. Decades later, he wants answers

The phone call was chilling. Ken Holmgren didn’t talk to his father often, but during that February 1991 call, Elmer Holmgren told his son that if he didn’t hear from him again in a few days, he should call an agent with the ATF, the federal agency now known as the Bureau of Alcohol, Tobacco, […]