Cold Cases in Utah

ColdCaseIndex documents 11 cold cases in Utah, spanning 1985–2023. 4 of these cases remain fully unsolved. Each case page includes documented details, status, and information on how to submit a tip.

11 Documented Cases
4 Still Unsolved
1985–2023 Year Range
3 Case Types

By Type

6 Missing Persons 4 Homicides 1 Multiple Homicide

By Status

4 Unsolved 4 Solved 2 Conviction 1 Partially Solved

All Utah Cases

Solved 2023

Ruby Franke Children

YouTube parenting vlogger Ruby Franke and therapist Jodi Hildebrandt were convicted of aggravated child abuse after Ruby's emaciated, bound son escaped to a neighbor's home.

Ivins Homicide
Solved 2022

Eric Richins

Kouri Richins poisoned her husband Eric with a lethal dose of fentanyl in a Moscow Mule cocktail. She then wrote a children's book about grief. She was convicted of murder.

Kamas Homicide Age 39
Solved 2021

Moab Incident (Petito-Laundrie)

Moab police responded to a domestic violence call involving Gabby Petito and Brian Laundrie but separated them for the night rather than making an arrest. An independent review found failures.

Moab Homicide
Unsolved 2015

Macin Smith

Seventeen-year-old Macin Smith left his St. George, Utah home on the first day of school and vanished. Surveillance showed him walking into the desert. He has never been found.

St. George Missing Person Age 17
Unsolved 2009

Susan Cox Powell

Susan Powell disappeared from her West Valley City, Utah home. Her husband Josh claimed he went camping with their sons in freezing weather that night. Josh was never charged but later killed himself and both sons in a 2

West Valley City Missing Person Age 28
Unsolved 2009

Susan Powell

Susan Powell vanished from her West Valley City, Utah home while her husband Josh claimed to have taken their two young sons camping at night in freezing temperatures. Josh Powell moved to Washington and later killed him

West Valley City Missing Person Age 28
Solved 2004

Lori Hacking

Lori Hacking was murdered by her husband Mark after she discovered he had lied about being accepted to medical school. He disposed of her body in a dumpster.

Salt Lake City Homicide Age 27
Conviction 2002

Elizabeth Smart

Fourteen-year-old Elizabeth Smart was abducted from her Salt Lake City bedroom by Brian David Mitchell and his wife. She was held captive for nine months, often in plain sight. She was rescued after being recognized in p

Salt Lake City Missing Person Age 14
Partially Solved 1995

Kiplyn Davis

Kiplyn Davis, 15, vanished from her Spanish Fork, Utah high school in 1995. Several classmates were later convicted of perjury for lying about her disappearance, and one, Timmy Olsen, was convicted of manslaughter in 201

Spanish Fork Missing Person Age 15
Unsolved 1985

Sheree Warren

Sheree Warren, a 25-year-old credit union employee and mother from Roy, Utah, vanished on October 2, 1985, after leaving her workplace in Salt Lake City, telling a coworker she planned to meet her estranged husband at a

Roy Missing Person Age 25
Conviction 1985

Steve Christensen & Kathy Sheets

Two people were killed by mail bombs in Salt Lake City — Steve Christensen at his office and Kathy Sheets at her home. The next day, the bomber Mark Hofmann was seriously injured when one of his own bombs exploded. Hofma

Salt Lake City Multiple Homicide