TRIPLE HOMICIDE SIOUX CITY COLD CASES Horror of triple murder lingers 30 years later May 20, 2004 | The Weekender By Jody Ewing A snowy haze covered the city the morning of Dec. 3, 1974, as Harriet Isom and her next door neighbor drove across town to her son’s home at 1117 Morningside Ave. Something […]