Delbert Cornish was sentenced to life in prison for killing his daughter, Onyx Cornish.
Idaho father Delbert Cornish is sentenced for his daughter Hope 'Onyx' Cornish's murder. Delbert pleaded guilty to the first-degree murder. More
January 28, 2026
Delbert Cornish is sentenced for the murder of his daughter, Hope 'Onyx' Cornish. In November Delbert pleaded guilty to killing Onyx. More
January 28, 2026
Delbert Cornish said 'I could never muster enough words to convey the amount of regret, anguish and remorse I have for what I've done. More
January 28, 2026
Hope 'Onyx' Cornish's mother and brother present impact statements in Delbert Cornish's sentencing, who pleaded guilty to the murder of Onyx. More
January 28, 2026
UPDATE: Delbert Cornish was sentenced to life in prison after pleading guilty to the first-degree murder of his daughter, Hope 'Onyx' Cornish. More
January 28, 2026
Delbert Cornish pleaded guilty to first-degree murder for shooting his daughter, Hope “Onyx” Cornish, in August 2025. More
November 12, 2025
Delbert Cornish is expected to plead guilty to murdering his daughter and trying to kill his son at a hearing on Nov. 12. More
October 19, 2025
Lucian Cornish disarmed his father, Delbert Cornish, and ran for his life after learning he had allegedly killed his sister, Onyx. More
September 24, 2025
Delbert Cornish was arrested Monday after he allegedly shot and killed his 18-year-old daughter in their Idaho home. More
August 21, 2025
Police were called to Delbert Cornish's home after his teen son said Cornish was making threats with a gun inside. More
August 19, 2025
