For many of us, it's our worst fear: to lose a loved one at the hands of another, and never receive answers or justice. But, unfortunately, there are hundreds of cases just like this across the globe. From unidentified Does with nobody to miss them, to the gruesome slaying of children, these are just three horrific historic mysteries that will leave you with more questions than answers.

Home to the Sundance Film Festival, Butch Cassidy and an expansive mountain range beloved by skiers across the country, Utah is one of America’s most beautiful states. But it is also known to the true-crime community as the birthplace of Gary Ridgway and was, at one point, one of Ted Bundy’s favourite haunts. It is a state full of grisly cold cases. In today’s episode of Cold-Case Detective, we’ll be exploring three chilling unsolved cases from Utah.

From the outside, 1117 Morningside Avenue looked like a standard American home. White panelled and consisting of two storeys, it was a cosy place for Billy Isom, Freta Bostic and Jesse Hanni to call their own. But when they were all found dead inside one winter morning, the feeling of homeliness changed. As the police tried to discover the secrets it held within its walls, the structure seemed intimidating and foreboding, unable to shed light on one of Iowa’s most grizzly crimes.